72990137096 has 32 divisors (see below), whose sum is σ = 140574147840. Its totient is φ = 35503962048.

The previous prime is 72990137093. The next prime is 72990137113. The reversal of 72990137096 is 69073109927.

It is a happy number.

It is a super-3 number, since 3×72990137096³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (72990137093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370415 + ... + 3392001.

It is an arithmetic number, because the mean of its divisors is an integer number (4392942120).

Almost surely, 2^72990137096 is an apocalyptic number.

It is an amenable number.

72990137096 is a deficient number, since it is larger than the sum of its proper divisors (67584010744).

72990137096 is a wasteful number, since it uses less digits than its factorization.

72990137096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33053 (or 33049 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 53.

The spelling of 72990137096 in words is "seventy-two billion, nine hundred ninety million, one hundred thirty-seven thousand, ninety-six".