72607755255237 has 6 divisors (see below), whose sum is σ = 104877868702022. Its totient is φ = 48405170170152.

The previous prime is 72607755255227. The next prime is 72607755255251. The reversal of 72607755255237 is 73255255770627.

72607755255237 is a `hidden beast` number, since 7 + 2 + 6 + 0 + 7 + 7 + 552 + 55 + 23 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65188200314241 + 7419554940996 = 8073921^2 + 2723886^2 .

It is not a de Polignac number, because 72607755255237 - 2¹⁶ = 72607755189701 is a prime.

It is a super-2 number, since 2×72607755255237² (a number of 29 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 (72607755255227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4033764180838 + ... + 4033764180855.

Almost surely, 2^{72607755255237} is an apocalyptic number.

It is an amenable number.

72607755255237 is a deficient number, since it is larger than the sum of its proper divisors (32270113446785).

72607755255237 is a wasteful number, since it uses less digits than its factorization.

72607755255237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067528361699 (or 8067528361696 counting only the distinct ones).

The product of its (nonzero) digits is 216090000, while the sum is 63.

The spelling of 72607755255237 in words is "seventy-two trillion, six hundred seven billion, seven hundred fifty-five million, two hundred fifty-five thousand, two hundred thirty-seven".