745920001 has 4 divisors (see below), whose sum is σ = 746120452. Its totient is φ = 745719552.

The previous prime is 745919981. The next prime is 745920023. The reversal of 745920001 is 100029547.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 399960001 + 345960000 = 19999^2 + 18600^2 .

It is a cyclic number.

It is not a de Polignac number, because 745920001 - 2⁷ = 745919873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745920701) 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, 94536 + ... + 102121.

It is an arithmetic number, because the mean of its divisors is an integer number (186530113).

Almost surely, 2^745920001 is an apocalyptic number.

It is an amenable number.

745920001 is a deficient number, since it is larger than the sum of its proper divisors (200451).

745920001 is a wasteful number, since it uses less digits than its factorization.

745920001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200450.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 745920001 is about 27311.5360424858. The cubic root of 745920001 is about 906.9097775809.

Adding to 745920001 its reverse (100029547), we get a palindrome (845949548).

The spelling of 745920001 in words is "seven hundred forty-five million, nine hundred twenty thousand, one".