745116401 has 4 divisors (see below), whose sum is σ = 770810100. Its totient is φ = 719422704.

The previous prime is 745116391. The next prime is 745116413. The reversal of 745116401 is 104611547.

745116401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104611547 = 541 ⋅193367.

It can be written as a sum of positive squares in 2 ways, for example, as 460317025 + 284799376 = 21455^2 + 16876^2 .

It is a cyclic number.

It is not a de Polignac number, because 745116401 - 2²² = 740922097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 25693669 = 745116401 / (7 + 4 + 5 + 1 + 1 + 6 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745116431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12846806 + ... + 12846863.

It is an arithmetic number, because the mean of its divisors is an integer number (192702525).

Almost surely, 2^745116401 is an apocalyptic number.

It is an amenable number.

745116401 is a deficient number, since it is larger than the sum of its proper divisors (25693699).

745116401 is a wasteful number, since it uses less digits than its factorization.

745116401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25693698.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 745116401 is about 27296.8203459670. The cubic root of 745116401 is about 906.5839809946.

Adding to 745116401 its reverse (104611547), we get a palindrome (849727948).

The spelling of 745116401 in words is "seven hundred forty-five million, one hundred sixteen thousand, four hundred one".