72038090 has 16 divisors (see below), whose sum is σ = 129765888. Its totient is φ = 28793616.

The previous prime is 72038089. The next prime is 72038123. The reversal of 72038090 is 9083027.

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 7 ways as a sum of consecutive naturals, for example, 22319 + ... + 25341.

It is an arithmetic number, because the mean of its divisors is an integer number (8110368).

Almost surely, 2^72038090 is an apocalyptic number.

72038090 is a deficient number, since it is larger than the sum of its proper divisors (57727798).

72038090 is a wasteful number, since it uses less digits than its factorization.

72038090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 72038090 is about 8487.5255522443. The cubic root of 72038090 is about 416.0901131523.

The spelling of 72038090 in words is "seventy-two million, thirty-eight thousand, ninety".