72371374145776 has 40 divisors (see below), whose sum is σ = 142872876113184. Its totient is φ = 35501027976960.

The previous prime is 72371374145767. The next prime is 72371374145821. The reversal of 72371374145776 is 67754147317327.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13537845 + ... + 18111211.

Almost surely, 2^{72371374145776} is an apocalyptic number.

It is an amenable number.

72371374145776 is a deficient number, since it is larger than the sum of its proper divisors (70501501967408).

72371374145776 is a wasteful number, since it uses less digits than its factorization.

72371374145776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592089 (or 4592083 counting only the distinct ones).

The product of its digits is 145212480, while the sum is 64.

The spelling of 72371374145776 in words is "seventy-two trillion, three hundred seventy-one billion, three hundred seventy-four million, one hundred forty-five thousand, seven hundred seventy-six".