172076620 has 12 divisors (see below), whose sum is σ = 361360944. Its totient is φ = 68830640.

The previous prime is 172076617. The next prime is 172076623. The reversal of 172076620 is 26670271.

It is an interprime number because it is at equal distance from previous prime (172076617) and next prime (172076623).

It is a super-2 number, since 2×172076620² = 59220726301248800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172076623) 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, 4301896 + ... + 4301935.

It is an arithmetic number, because the mean of its divisors is an integer number (30113412).

Almost surely, 2^172076620 is an apocalyptic number.

172076620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172076620 is an abundant number, since it is smaller than the sum of its proper divisors (189284324).

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

172076620 is a wasteful number, since it uses less digits than its factorization.

172076620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603840 (or 8603838 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 172076620 is about 13117.7978334780. The cubic root of 172076620 is about 556.2123431984.

The spelling of 172076620 in words is "one hundred seventy-two million, seventy-six thousand, six hundred twenty".