745764243620 has 48 divisors (see below), whose sum is σ = 1709502580800. Its totient is φ = 271024379520.

The previous prime is 745764243619. The next prime is 745764243667. The reversal of 745764243620 is 26342467547.

It is a super-2 number, since 2×745764243620² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648350 + ... + 1382709.

It is an arithmetic number, because the mean of its divisors is an integer number (35614637100).

Almost surely, 2^745764243620 is an apocalyptic number.

It is an amenable number.

745764243620 is an abundant number, since it is smaller than the sum of its proper divisors (963738337180).

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

745764243620 is a wasteful number, since it uses less digits than its factorization.

745764243620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032748 (or 2032746 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 50.

The spelling of 745764243620 in words is "seven hundred forty-five billion, seven hundred sixty-four million, two hundred forty-three thousand, six hundred twenty".