73151038272 has 112 divisors (see below), whose sum is σ = 215157458432. Its totient is φ = 21781923840.

The previous prime is 73151038249. The next prime is 73151038277. The reversal of 73151038272 is 27283015137.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 73151038272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73151038277) 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, 395323 + ... + 550074.

It is an arithmetic number, because the mean of its divisors is an integer number (1921048736).

Almost surely, 2^73151038272 is an apocalyptic number.

It is an amenable number.

73151038272 is an abundant number, since it is smaller than the sum of its proper divisors (142006420160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73151038272 is a wasteful number, since it uses less digits than its factorization.

73151038272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945456 (or 945446 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 73151038272 in words is "seventy-three billion, one hundred fifty-one million, thirty-eight thousand, two hundred seventy-two".