72029081590 has 16 divisors (see below), whose sum is σ = 129936058272. Its totient is φ = 28748585664.

The previous prime is 72029081581. The next prime is 72029081611. The reversal of 72029081590 is 9518092027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7876074 + ... + 7885213.

It is an arithmetic number, because the mean of its divisors is an integer number (8121003642).

Almost surely, 2^72029081590 is an apocalyptic number.

72029081590 is a deficient number, since it is larger than the sum of its proper divisors (57906976682).

72029081590 is a wasteful number, since it uses less digits than its factorization.

72029081590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15761751.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 72029081590 in words is "seventy-two billion, twenty-nine million, eighty-one thousand, five hundred ninety".