72707275354 has 48 divisors (see below), whose sum is σ = 131366762280. Its totient is φ = 30057054720.

The previous prime is 72707275229. The next prime is 72707275369. The reversal of 72707275354 is 45357270727.

It can be written as a sum of positive squares in 4 ways, for example, as 55368443025 + 17338832329 = 235305^2 + 131677^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 72707275298 and 72707275307.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3106014 + ... + 3129334.

Almost surely, 2^72707275354 is an apocalyptic number.

72707275354 is a deficient number, since it is larger than the sum of its proper divisors (58659486926).

72707275354 is a wasteful number, since it uses less digits than its factorization.

72707275354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24463 (or 24456 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 49.

The spelling of 72707275354 in words is "seventy-two billion, seven hundred seven million, two hundred seventy-five thousand, three hundred fifty-four".