252470072 has 8 divisors (see below), whose sum is σ = 473381400. Its totient is φ = 126235032.

The previous prime is 252470063. The next prime is 252470089. The reversal of 252470072 is 270074252.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×252470072² = 127482274511370368, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15779372 + ... + 15779387.

It is an arithmetic number, because the mean of its divisors is an integer number (59172675).

Almost surely, 2^252470072 is an apocalyptic number.

It is an amenable number.

252470072 is a deficient number, since it is larger than the sum of its proper divisors (220911328).

252470072 is a wasteful number, since it uses less digits than its factorization.

252470072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31558765 (or 31558761 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 252470072 is about 15889.3068445417. The cubic root of 252470072 is about 632.0284597022.

The spelling of 252470072 in words is "two hundred fifty-two million, four hundred seventy thousand, seventy-two".