72654061413 has 4 divisors (see below), whose sum is σ = 96872081888. Its totient is φ = 48436040940.

The previous prime is 72654061379. The next prime is 72654061433. The reversal of 72654061413 is 31416045627.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72654061413 - 2⁸ = 72654061157 is a prime.

It is a super-2 number, since 2×72654061413² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72654061433) 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, 12109010233 + ... + 12109010238.

It is an arithmetic number, because the mean of its divisors is an integer number (24218020472).

Almost surely, 2^72654061413 is an apocalyptic number.

It is an amenable number.

72654061413 is a deficient number, since it is larger than the sum of its proper divisors (24218020475).

72654061413 is a wasteful number, since it uses less digits than its factorization.

72654061413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218020474.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 72654061413 in words is "seventy-two billion, six hundred fifty-four million, sixty-one thousand, four hundred thirteen".