72376055787 has 64 divisors (see below), whose sum is σ = 117763481600. Its totient is φ = 39474086400.

The previous prime is 72376055783. The next prime is 72376055803. The reversal of 72376055787 is 78755067327.

It is not a de Polignac number, because 72376055787 - 2² = 72376055783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72376055783) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2313087 + ... + 2344167.

It is an arithmetic number, because the mean of its divisors is an integer number (1840054400).

Almost surely, 2^72376055787 is an apocalyptic number.

72376055787 is a deficient number, since it is larger than the sum of its proper divisors (45387425813).

72376055787 is a wasteful number, since it uses less digits than its factorization.

72376055787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31209 (or 31195 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 57.

The spelling of 72376055787 in words is "seventy-two billion, three hundred seventy-six million, fifty-five thousand, seven hundred eighty-seven".