745996772 has 24 divisors (see below), whose sum is σ = 1418538240. Its totient is φ = 341966880.

The previous prime is 745996751. The next prime is 745996793. The reversal of 745996772 is 277699547.

It is an interprime number because it is at equal distance from previous prime (745996751) and next prime (745996793).

It is a super-2 number, since 2×745996772² = 1113022367668839968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155963 + ... + 160674.

It is an arithmetic number, because the mean of its divisors is an integer number (59105760).

Almost surely, 2^745996772 is an apocalyptic number.

It is an amenable number.

745996772 is a deficient number, since it is larger than the sum of its proper divisors (672541468).

745996772 is a wasteful number, since it uses less digits than its factorization.

745996772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316691 (or 316689 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 56.

The square root of 745996772 is about 27312.9414746929. The cubic root of 745996772 is about 906.9408899353.

The spelling of 745996772 in words is "seven hundred forty-five million, nine hundred ninety-six thousand, seven hundred seventy-two".