72342775377 has 8 divisors (see below), whose sum is σ = 107174482080. Its totient is φ = 48228516900.

The previous prime is 72342775301. The next prime is 72342775399. The reversal of 72342775377 is 77357724327.

72342775377 is a `hidden beast` number, since 7 + 2 + 34 + 2 + 77 + 537 + 7 = 666.

It is not a de Polignac number, because 72342775377 - 2⁷ = 72342775249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72342775777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339680999 + ... + 1339681052.

It is an arithmetic number, because the mean of its divisors is an integer number (13396810260).

Almost surely, 2^72342775377 is an apocalyptic number.

It is an amenable number.

72342775377 is a deficient number, since it is larger than the sum of its proper divisors (34831706703).

72342775377 is a wasteful number, since it uses less digits than its factorization.

72342775377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679362060 (or 2679362054 counting only the distinct ones).

The product of its digits is 12101040, while the sum is 54.

The spelling of 72342775377 in words is "seventy-two billion, three hundred forty-two million, seven hundred seventy-five thousand, three hundred seventy-seven".