73000564 has 36 divisors (see below), whose sum is σ = 158106144. Its totient is φ = 28877472.

The previous prime is 73000561. The next prime is 73000579. The reversal of 73000564 is 46500037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73000561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2982 + ... + 12445.

Almost surely, 2^73000564 is an apocalyptic number.

It is an amenable number.

73000564 is an abundant number, since it is smaller than the sum of its proper divisors (85105580).

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

73000564 is a wasteful number, since it uses less digits than its factorization.

73000564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15464 (or 15449 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 73000564 is about 8544.0367508573. The cubic root of 73000564 is about 417.9349959583.

The spelling of 73000564 in words is "seventy-three million, five hundred sixty-four", and thus it is an aban number.