72179253 has 12 divisors (see below), whose sum is σ = 107622528. Its totient is φ = 46567080.

The previous prime is 72179251. The next prime is 72179273. The reversal of 72179253 is 35297127.

It is not a de Polignac number, because 72179253 - 2¹ = 72179251 is a prime.

It is a hoax number, since the sum of its digits (36) 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 (72179251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129075 + ... + 129632.

It is an arithmetic number, because the mean of its divisors is an integer number (8968544).

Almost surely, 2^72179253 is an apocalyptic number.

It is an amenable number.

72179253 is a deficient number, since it is larger than the sum of its proper divisors (35443275).

72179253 is a wasteful number, since it uses less digits than its factorization.

72179253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258744 (or 258741 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 72179253 is about 8495.8373925117. The cubic root of 72179253 is about 416.3617204109.

The spelling of 72179253 in words is "seventy-two million, one hundred seventy-nine thousand, two hundred fifty-three".