72000490 has 16 divisors (see below), whose sum is σ = 132615648. Its totient is φ = 28130256.

The previous prime is 72000479. The next prime is 72000497. The reversal of 72000490 is 9400027.

It is not an unprimeable number, because it can be changed into a prime (72000497) by changing a digit.

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, 83292 + ... + 84151.

It is an arithmetic number, because the mean of its divisors is an integer number (8288478).

Almost surely, 2^72000490 is an apocalyptic number.

72000490 is a deficient number, since it is larger than the sum of its proper divisors (60615158).

72000490 is a wasteful number, since it uses less digits than its factorization.

72000490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167493.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 72000490 is about 8485.3102477163. The cubic root of 72000490 is about 416.0177083500.

The spelling of 72000490 in words is "seventy-two million, four hundred ninety", and thus it is an aban number.