652772990 has 16 divisors (see below), whose sum is σ = 1175640048. Its totient is φ = 260965056.

The previous prime is 652772951. The next prime is 652772993. The reversal of 652772990 is 99277256.

It is a happy number.

It is a super-2 number, since 2×652772990² = 852225152947080200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652772993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069 + ... + 36191.

It is an arithmetic number, because the mean of its divisors is an integer number (73477503).

Almost surely, 2^652772990 is an apocalyptic number.

652772990 is a deficient number, since it is larger than the sum of its proper divisors (522867058).

652772990 is a wasteful number, since it uses less digits than its factorization.

652772990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36043.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 652772990 is about 25549.4224983658. The cubic root of 652772990 is about 867.4691897470.

The spelling of 652772990 in words is "six hundred fifty-two million, seven hundred seventy-two thousand, nine hundred ninety".