72277220740275 has 36 divisors (see below), whose sum is σ = 129525651112728. Its totient is φ = 38527270030080.

The previous prime is 72277220740267. The next prime is 72277220740301. The reversal of 72277220740275 is 57204702277227.

72277220740275 is a `hidden beast` number, since 7 + 2 + 2 + 7 + 7 + 220 + 7 + 402 + 7 + 5 = 666.

It is not a de Polignac number, because 72277220740275 - 2³ = 72277220740267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85331937 + ... + 86174786.

Almost surely, 2^{72277220740275} is an apocalyptic number.

72277220740275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72277220740275 is a deficient number, since it is larger than the sum of its proper divisors (57248430372453).

72277220740275 is a wasteful number, since it uses less digits than its factorization.

72277220740275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171508612 (or 171508604 counting only the distinct ones).

The product of its (nonzero) digits is 10756480, while the sum is 54.

The spelling of 72277220740275 in words is "seventy-two trillion, two hundred seventy-seven billion, two hundred twenty million, seven hundred forty thousand, two hundred seventy-five".