72464374347 has 4 divisors (see below), whose sum is σ = 96619165800. Its totient is φ = 48309582896.

The previous prime is 72464374327. The next prime is 72464374357. The reversal of 72464374347 is 74347346427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72464374347 - 2¹⁰ = 72464373323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72464374347.

It is not an unprimeable number, because it can be changed into a prime (72464374327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12077395722 + ... + 12077395727.

It is an arithmetic number, because the mean of its divisors is an integer number (24154791450).

Almost surely, 2^72464374347 is an apocalyptic number.

72464374347 is a deficient number, since it is larger than the sum of its proper divisors (24154791453).

72464374347 is a wasteful number, since it uses less digits than its factorization.

72464374347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24154791452.

The product of its digits is 9483264, while the sum is 51.

The spelling of 72464374347 in words is "seventy-two billion, four hundred sixty-four million, three hundred seventy-four thousand, three hundred forty-seven".