72076740 has 48 divisors (see below), whose sum is σ = 207275712. Its totient is φ = 18700416.

The previous prime is 72076727. The next prime is 72076751. The reversal of 72076740 is 4767027.

It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 14014 + ... + 18453.

It is an arithmetic number, because the mean of its divisors is an integer number (4318244).

Almost surely, 2^72076740 is an apocalyptic number.

It is an amenable number.

72076740 is an abundant number, since it is smaller than the sum of its proper divisors (135198972).

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

72076740 is a wasteful number, since it uses less digits than its factorization.

72076740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32516 (or 32514 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 72076740 is about 8489.8021178353. The cubic root of 72076740 is about 416.1645136425.

The spelling of 72076740 in words is "seventy-two million, seventy-six thousand, seven hundred forty".