745733690 has 64 divisors (see below), whose sum is σ = 1476921600. Its totient is φ = 269443584.

The previous prime is 745733687. The next prime is 745733701. The reversal of 745733690 is 96337547.

It is a super-2 number, since 2×745733690² = 1112237472802032200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1698491 + ... + 1698929.

It is an arithmetic number, because the mean of its divisors is an integer number (23076900).

Almost surely, 2^745733690 is an apocalyptic number.

745733690 is a deficient number, since it is larger than the sum of its proper divisors (731187910).

745733690 is a wasteful number, since it uses less digits than its factorization.

745733690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 745733690 is about 27308.1249814043. The cubic root of 745733690 is about 906.8342639704.

The spelling of 745733690 in words is "seven hundred forty-five million, seven hundred thirty-three thousand, six hundred ninety".