172746460 has 12 divisors (see below), whose sum is σ = 362767608. Its totient is φ = 69098576.

The previous prime is 172746443. The next prime is 172746463. The reversal of 172746460 is 64647271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172746463) 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, 4318642 + ... + 4318681.

It is an arithmetic number, because the mean of its divisors is an integer number (30230634).

Almost surely, 2^172746460 is an apocalyptic number.

172746460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172746460 is an abundant number, since it is smaller than the sum of its proper divisors (190021148).

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

172746460 is a wasteful number, since it uses less digits than its factorization.

172746460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637332 (or 8637330 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 172746460 is about 13143.3047594583. The cubic root of 172746460 is about 556.9331284741.

The spelling of 172746460 in words is "one hundred seventy-two million, seven hundred forty-six thousand, four hundred sixty".