742572564 has 12 divisors (see below), whose sum is σ = 1732669344. Its totient is φ = 247524184.

The previous prime is 742572557. The next prime is 742572613. The reversal of 742572564 is 465275247.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30940512 + ... + 30940535.

It is an arithmetic number, because the mean of its divisors is an integer number (144389112).

Almost surely, 2^742572564 is an apocalyptic number.

It is an amenable number.

742572564 is an abundant number, since it is smaller than the sum of its proper divisors (990096780).

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

742572564 is a wasteful number, since it uses less digits than its factorization.

742572564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61881054 (or 61881052 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The square root of 742572564 is about 27250.1846599248. The cubic root of 742572564 is about 905.5511082210.

The spelling of 742572564 in words is "seven hundred forty-two million, five hundred seventy-two thousand, five hundred sixty-four".