72879702 has 32 divisors (see below), whose sum is σ = 167000832. Its totient is φ = 20770464.

The previous prime is 72879701. The next prime is 72879713. The reversal of 72879702 is 20797827.

It is a super-2 number, since 2×72879702² = 10622901927217608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72879701) 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 15 ways as a sum of consecutive naturals, for example, 16648 + ... + 20564.

It is an arithmetic number, because the mean of its divisors is an integer number (5218776).

Almost surely, 2^72879702 is an apocalyptic number.

72879702 is an abundant number, since it is smaller than the sum of its proper divisors (94121130).

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

72879702 is a wasteful number, since it uses less digits than its factorization.

72879702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 72879702 is about 8536.9609346652. The cubic root of 72879702 is about 417.7042198335.

The spelling of 72879702 in words is "seventy-two million, eight hundred seventy-nine thousand, seven hundred two".