172364652 has 48 divisors (see below), whose sum is σ = 448156800. Its totient is φ = 57289680.

The previous prime is 172364617. The next prime is 172364657. The reversal of 172364652 is 256463271.

172364652 is a `hidden beast` number, since 1 + 7 + 2 + 3 + 646 + 5 + 2 = 666.

It is a super-2 number, since 2×172364652² = 59419146518162208, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (172364657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38827 + ... + 43037.

It is an arithmetic number, because the mean of its divisors is an integer number (9336600).

Almost surely, 2^172364652 is an apocalyptic number.

172364652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172364652 is an abundant number, since it is smaller than the sum of its proper divisors (275792148).

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

172364652 is a wasteful number, since it uses less digits than its factorization.

172364652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603 (or 4595 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 172364652 is about 13128.7719151488. The cubic root of 172364652 is about 556.5225105504.

The spelling of 172364652 in words is "one hundred seventy-two million, three hundred sixty-four thousand, six hundred fifty-two".