72590402 has 8 divisors (see below), whose sum is σ = 108924816. Its totient is φ = 36282132.

The previous prime is 72590347. The next prime is 72590429. The reversal of 72590402 is 20409527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (13615602).

Almost surely, 2^72590402 is an apocalyptic number.

72590402 is a deficient number, since it is larger than the sum of its proper divisors (36334414).

72590402 is a wasteful number, since it uses less digits than its factorization.

72590402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13072.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72590402 is about 8520.0001173709. Note that the first 3 decimals coincide. The cubic root of 72590402 is about 417.1507869062.

Adding to 72590402 its reverse (20409527), we get a palindrome (92999929).

The spelling of 72590402 in words is "seventy-two million, five hundred ninety thousand, four hundred two".