72669330 has 48 divisors (see below), whose sum is σ = 189371520. Its totient is φ = 19334304.

The previous prime is 72669329. The next prime is 72669341. The reversal of 72669330 is 3396627.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 64149 + ... + 65271.

It is an arithmetic number, because the mean of its divisors is an integer number (3945240).

Almost surely, 2^72669330 is an apocalyptic number.

72669330 is an abundant number, since it is smaller than the sum of its proper divisors (116702190).

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

72669330 is a wasteful number, since it uses less digits than its factorization.

72669330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 72669330 is about 8524.6307837935. The cubic root of 72669330 is about 417.3019223660.

The spelling of 72669330 in words is "seventy-two million, six hundred sixty-nine thousand, three hundred thirty".