73770564 has 24 divisors (see below), whose sum is σ = 196721728. Its totient is φ = 21077280.

The previous prime is 73770553. The next prime is 73770601. The reversal of 73770564 is 46507737.

It is a super-2 number, since 2×73770564² = 10884192225756192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439027 + ... + 439194.

Almost surely, 2^73770564 is an apocalyptic number.

It is an amenable number.

73770564 is an abundant number, since it is smaller than the sum of its proper divisors (122951164).

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

73770564 is a wasteful number, since it uses less digits than its factorization.

73770564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878235 (or 878233 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 39.

The square root of 73770564 is about 8588.9792175788. The cubic root of 73770564 is about 419.3992999957.

The spelling of 73770564 in words is "seventy-three million, seven hundred seventy thousand, five hundred sixty-four".