172464136 has 16 divisors (see below), whose sum is σ = 348245100. Its totient is φ = 79598784.

The previous prime is 172464109. The next prime is 172464137. The reversal of 172464136 is 631464271.

It can be written as a sum of positive squares in 2 ways, for example, as 129823236 + 42640900 = 11394^2 + 6530^2 .

It is not an unprimeable number, because it can be changed into a prime (172464137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829051 + ... + 829258.

Almost surely, 2^172464136 is an apocalyptic number.

It is an amenable number.

172464136 is an abundant number, since it is smaller than the sum of its proper divisors (175780964).

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

172464136 is a wasteful number, since it uses less digits than its factorization.

172464136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658328 (or 1658324 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 172464136 is about 13132.5601464452. The cubic root of 172464136 is about 556.6295596398.

The spelling of 172464136 in words is "one hundred seventy-two million, four hundred sixty-four thousand, one hundred thirty-six".