745956401 has 4 divisors (see below), whose sum is σ = 778389312. Its totient is φ = 713523492.

The previous prime is 745956383. The next prime is 745956403. The reversal of 745956401 is 104659547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104659547 = 607 ⋅172421.

It is a cyclic number.

It is not a de Polignac number, because 745956401 - 2²² = 741762097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745956403) 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, 16216421 + ... + 16216466.

It is an arithmetic number, because the mean of its divisors is an integer number (194597328).

Almost surely, 2^745956401 is an apocalyptic number.

It is an amenable number.

745956401 is a deficient number, since it is larger than the sum of its proper divisors (32432911).

745956401 is a wasteful number, since it uses less digits than its factorization.

745956401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32432910.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 745956401 is about 27312.2024194315. The cubic root of 745956401 is about 906.9245293769.

The spelling of 745956401 in words is "seven hundred forty-five million, nine hundred fifty-six thousand, four hundred one".