72669380 has 24 divisors (see below), whose sum is σ = 174406848. Its totient is φ = 24915168.

The previous prime is 72669367. The next prime is 72669409. The reversal of 72669380 is 8396627.

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 7 ways as a sum of consecutive naturals, for example, 259394 + ... + 259673.

It is an arithmetic number, because the mean of its divisors is an integer number (7266952).

Almost surely, 2^72669380 is an apocalyptic number.

72669380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72669380 is an abundant number, since it is smaller than the sum of its proper divisors (101737468).

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

72669380 is a wasteful number, since it uses less digits than its factorization.

72669380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519083 (or 519081 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 72669380 is about 8524.6337164713. The cubic root of 72669380 is about 417.3020180740.

The spelling of 72669380 in words is "seventy-two million, six hundred sixty-nine thousand, three hundred eighty".