72003415534 has 16 divisors (see below), whose sum is σ = 109551890448. Its totient is φ = 35486724672.

The previous prime is 72003415529. The next prime is 72003415543. The reversal of 72003415534 is 43551430027.

It is a self number, because there is not a number n which added to its sum of digits gives 72003415534.

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, 88369 + ... + 389635.

It is an arithmetic number, because the mean of its divisors is an integer number (6846993153).

Almost surely, 2^72003415534 is an apocalyptic number.

72003415534 is a deficient number, since it is larger than the sum of its proper divisors (37548474914).

72003415534 is a wasteful number, since it uses less digits than its factorization.

72003415534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302979.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 72003415534 in words is "seventy-two billion, three million, four hundred fifteen thousand, five hundred thirty-four".