72896590 has 32 divisors (see below), whose sum is σ = 141686496. Its totient is φ = 26843520.

The previous prime is 72896581. The next prime is 72896599. The reversal of 72896590 is 9569827.

It is an interprime number because it is at equal distance from previous prime (72896581) and next prime (72896599).

It is a self number, because there is not a number n which added to its sum of digits gives 72896590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72896599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88380 + ... + 89200.

It is an arithmetic number, because the mean of its divisors is an integer number (4427703).

Almost surely, 2^72896590 is an apocalyptic number.

72896590 is a deficient number, since it is larger than the sum of its proper divisors (68789906).

72896590 is a wasteful number, since it uses less digits than its factorization.

72896590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 72896590 is about 8537.9499881412. The cubic root of 72896590 is about 417.7364814183.

The spelling of 72896590 in words is "seventy-two million, eight hundred ninety-six thousand, five hundred ninety".