172694252 has 6 divisors (see below), whose sum is σ = 302214948. Its totient is φ = 86347124.

The previous prime is 172694243. The next prime is 172694261. The reversal of 172694252 is 252496271.

172694252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172694243) and next prime (172694261).

It is a super-3 number, since 3×172694252³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21586778 + ... + 21586785.

It is an arithmetic number, because the mean of its divisors is an integer number (50369158).

Almost surely, 2^172694252 is an apocalyptic number.

It is an amenable number.

172694252 is a deficient number, since it is larger than the sum of its proper divisors (129520696).

172694252 is a wasteful number, since it uses less digits than its factorization.

172694252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43173567 (or 43173565 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 172694252 is about 13141.3185031031. The cubic root of 172694252 is about 556.8770167706.

The spelling of 172694252 in words is "one hundred seventy-two million, six hundred ninety-four thousand, two hundred fifty-two".