252247672 has 8 divisors (see below), whose sum is σ = 472964400. Its totient is φ = 126123832.

The previous prime is 252247669. The next prime is 252247673. The reversal of 252247672 is 276742252.

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252247673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15765472 + ... + 15765487.

It is an arithmetic number, because the mean of its divisors is an integer number (59120550).

Almost surely, 2^252247672 is an apocalyptic number.

It is an amenable number.

252247672 is a deficient number, since it is larger than the sum of its proper divisors (220716728).

252247672 is a wasteful number, since it uses less digits than its factorization.

252247672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31530965 (or 31530961 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 252247672 is about 15882.3068853363. The cubic root of 252247672 is about 631.8428212984.

It can be divided in two parts, 25224 and 7672, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 252247672 in words is "two hundred fifty-two million, two hundred forty-seven thousand, six hundred seventy-two".