745651201 has 4 divisors (see below), whose sum is σ = 745729092. Its totient is φ = 745573312.

The previous prime is 745651187. The next prime is 745651211. The reversal of 745651201 is 102156547.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102156547 = 23 ⋅4441589.

It can be written as a sum of positive squares in 2 ways, for example, as 641304976 + 104346225 = 25324^2 + 10215^2 .

It is a cyclic number.

It is not a de Polignac number, because 745651201 - 2⁷ = 745651073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745651211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22180 + ... + 44533.

It is an arithmetic number, because the mean of its divisors is an integer number (186432273).

Almost surely, 2^745651201 is an apocalyptic number.

It is an amenable number.

745651201 is a deficient number, since it is larger than the sum of its proper divisors (77891).

745651201 is a wasteful number, since it uses less digits than its factorization.

745651201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77890.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 745651201 is about 27306.6146015942. The cubic root of 745651201 is about 906.8008263814.

The spelling of 745651201 in words is "seven hundred forty-five million, six hundred fifty-one thousand, two hundred one".