72924066 has 12 divisors (see below), whose sum is σ = 158002182. Its totient is φ = 24308016.

The previous prime is 72924043. The next prime is 72924113. The reversal of 72924066 is 66042927.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72846225 + 77841 = 8535^2 + 279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72924066.

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 5 ways as a sum of consecutive naturals, for example, 2025651 + ... + 2025686.

Almost surely, 2^72924066 is an apocalyptic number.

72924066 is an abundant number, since it is smaller than the sum of its proper divisors (85078116).

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

72924066 is a wasteful number, since it uses less digits than its factorization.

72924066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051345 (or 4051342 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 72924066 is about 8539.5588879052. The cubic root of 72924066 is about 417.7889588881.

The spelling of 72924066 in words is "seventy-two million, nine hundred twenty-four thousand, sixty-six".