72112902 has 8 divisors (see below), whose sum is σ = 144225816. Its totient is φ = 24037632.

The previous prime is 72112897. The next prime is 72112907. The reversal of 72112902 is 20921127.

It is an interprime number because it is at equal distance from previous prime (72112897) and next prime (72112907).

It is a sphenic number, since it is the product of 3 distinct primes.

72112902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72112907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6009403 + ... + 6009414.

It is an arithmetic number, because the mean of its divisors is an integer number (18028227).

Almost surely, 2^72112902 is an apocalyptic number.

72112902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72112902 is a wasteful number, since it uses less digits than its factorization.

72112902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12018822.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 72112902 is about 8491.9315823904. The cubic root of 72112902 is about 416.2341007012.

The spelling of 72112902 in words is "seventy-two million, one hundred twelve thousand, nine hundred two".