72744076 has 12 divisors (see below), whose sum is σ = 128305408. Its totient is φ = 36085392.

The previous prime is 72744053. The next prime is 72744131. The reversal of 72744076 is 67044727.

It is a happy number.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71091 + ... + 72106.

Almost surely, 2^72744076 is an apocalyptic number.

It is an amenable number.

72744076 is a deficient number, since it is larger than the sum of its proper divisors (55561332).

72744076 is a wasteful number, since it uses less digits than its factorization.

72744076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143328 (or 143326 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 72744076 is about 8529.0137765160. The cubic root of 72744076 is about 417.4449490563. Note that the first 3 decimals are identical.

The spelling of 72744076 in words is "seventy-two million, seven hundred forty-four thousand, seventy-six".