745641705 has 32 divisors (see below), whose sum is σ = 1227985920. Its totient is φ = 386187200.

The previous prime is 745641697. The next prime is 745641713. The reversal of 745641705 is 507146547.

It is an interprime number because it is at equal distance from previous prime (745641697) and next prime (745641713).

It is not a de Polignac number, because 745641705 - 2³ = 745641697 is a prime.

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, 68380 + ... + 78530.

It is an arithmetic number, because the mean of its divisors is an integer number (38374560).

Almost surely, 2^745641705 is an apocalyptic number.

It is an amenable number.

745641705 is a deficient number, since it is larger than the sum of its proper divisors (482344215).

745641705 is a wasteful number, since it uses less digits than its factorization.

745641705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 745641705 is about 27306.4407237560. The cubic root of 745641705 is about 906.7969769421.

The spelling of 745641705 in words is "seven hundred forty-five million, six hundred forty-one thousand, seven hundred five".