745264620 has 72 divisors (see below), whose sum is σ = 2338605360. Its totient is φ = 191882880.

The previous prime is 745264601. The next prime is 745264631. The reversal of 745264620 is 26462547.

745264620 is a `hidden beast` number, since 7 + 4 + 5 + 2 + 646 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66166 + ... + 76605.

It is an arithmetic number, because the mean of its divisors is an integer number (32480630).

Almost surely, 2^745264620 is an apocalyptic number.

It is an amenable number.

745264620 is an abundant number, since it is smaller than the sum of its proper divisors (1593340740).

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

745264620 is a wasteful number, since it uses less digits than its factorization.

745264620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142815 (or 142810 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 745264620 is about 27299.5351608777. The cubic root of 745264620 is about 906.6440897516.

The spelling of 745264620 in words is "seven hundred forty-five million, two hundred sixty-four thousand, six hundred twenty".