745705941630 has 64 divisors (see below), whose sum is σ = 2040737364288. Its totient is φ = 172760832000.

The previous prime is 745705941619. The next prime is 745705941653. The reversal of 745705941630 is 36149507547.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 56230621 + ... + 56243880.

It is an arithmetic number, because the mean of its divisors is an integer number (31886521317).

Almost surely, 2^745705941630 is an apocalyptic number.

745705941630 is an abundant number, since it is smaller than the sum of its proper divisors (1295031422658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745705941630 is a wasteful number, since it uses less digits than its factorization.

745705941630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112474541.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 745705941630 in words is "seven hundred forty-five billion, seven hundred five million, nine hundred forty-one thousand, six hundred thirty".