73627665261 has 32 divisors (see below), whose sum is σ = 108123724800. Its totient is φ = 44358128640.

The previous prime is 73627665253. The next prime is 73627665269. The reversal of 73627665261 is 16256672637.

It is an interprime number because it is at equal distance from previous prime (73627665253) and next prime (73627665269).

It is not a de Polignac number, because 73627665261 - 2³ = 73627665253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73627665269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130180 + ... + 405218.

It is an arithmetic number, because the mean of its divisors is an integer number (3378866400).

Almost surely, 2^73627665261 is an apocalyptic number.

It is an amenable number.

73627665261 is a deficient number, since it is larger than the sum of its proper divisors (34496059539).

73627665261 is a wasteful number, since it uses less digits than its factorization.

73627665261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275269.

The product of its digits is 3810240, while the sum is 51.

The spelling of 73627665261 in words is "seventy-three billion, six hundred twenty-seven million, six hundred sixty-five thousand, two hundred sixty-one".