72390058 has 16 divisors (see below), whose sum is σ = 119427840. Its totient is φ = 32699376.

The previous prime is 72390041. The next prime is 72390067. The reversal of 72390058 is 85009327.

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, 28398 + ... + 30841.

It is an arithmetic number, because the mean of its divisors is an integer number (7464240).

Almost surely, 2^72390058 is an apocalyptic number.

72390058 is a deficient number, since it is larger than the sum of its proper divisors (47037782).

72390058 is a wasteful number, since it uses less digits than its factorization.

72390058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59301.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 72390058 is about 8508.2347170256. The cubic root of 72390058 is about 416.7666651366.

The spelling of 72390058 in words is "seventy-two million, three hundred ninety thousand, fifty-eight".