172461020 has 12 divisors (see below), whose sum is σ = 362168184. Its totient is φ = 68984400.

The previous prime is 172460989. The next prime is 172461041. The reversal of 172461020 is 20164271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311506 + ... + 4311545.

It is an arithmetic number, because the mean of its divisors is an integer number (30180682).

Almost surely, 2^172461020 is an apocalyptic number.

172461020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172461020 is an abundant number, since it is smaller than the sum of its proper divisors (189707164).

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

172461020 is a wasteful number, since it uses less digits than its factorization.

172461020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623060 (or 8623058 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 172461020 is about 13132.4415094833. The cubic root of 172461020 is about 556.6262073136.

The spelling of 172461020 in words is "one hundred seventy-two million, four hundred sixty-one thousand, twenty".