72367732077 has 16 divisors (see below), whose sum is σ = 97324453632. Its totient is φ = 47829024000.

The previous prime is 72367732061. The next prime is 72367732091. The reversal of 72367732077 is 77023776327.

It is not a de Polignac number, because 72367732077 - 2⁴ = 72367732061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72367732477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191433 + ... + 425889.

It is an arithmetic number, because the mean of its divisors is an integer number (6082778352).

Almost surely, 2^72367732077 is an apocalyptic number.

It is an amenable number.

72367732077 is a deficient number, since it is larger than the sum of its proper divisors (24956721555).

72367732077 is a wasteful number, since it uses less digits than its factorization.

72367732077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235348.

The product of its (nonzero) digits is 3630312, while the sum is 51.

The spelling of 72367732077 in words is "seventy-two billion, three hundred sixty-seven million, seven hundred thirty-two thousand, seventy-seven".