172268376 has 32 divisors (see below), whose sum is σ = 492195840. Its totient is φ = 49219488.

The previous prime is 172268357. The next prime is 172268417. The reversal of 172268376 is 673862271.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512536 + ... + 512871.

It is an arithmetic number, because the mean of its divisors is an integer number (15381120).

Almost surely, 2^172268376 is an apocalyptic number.

It is an amenable number.

172268376 is an abundant number, since it is smaller than the sum of its proper divisors (319927464).

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

172268376 is a wasteful number, since it uses less digits than its factorization.

172268376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025423 (or 1025419 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 172268376 is about 13125.1047995816. The cubic root of 172268376 is about 556.4188741812.

The spelling of 172268376 in words is "one hundred seventy-two million, two hundred sixty-eight thousand, three hundred seventy-six".