72476432711 has 4 divisors (see below), whose sum is σ = 74244150624. Its totient is φ = 70708714800.

The previous prime is 72476432669. The next prime is 72476432713. The reversal of 72476432711 is 11723467427.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-72476432711 is a prime.

It is a super-2 number, since 2×72476432711² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72476432713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883858895 + ... + 883858976.

It is an arithmetic number, because the mean of its divisors is an integer number (18561037656).

Almost surely, 2^72476432711 is an apocalyptic number.

72476432711 is a deficient number, since it is larger than the sum of its proper divisors (1767717913).

72476432711 is a wasteful number, since it uses less digits than its factorization.

72476432711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767717912.

The product of its digits is 395136, while the sum is 44.

The spelling of 72476432711 in words is "seventy-two billion, four hundred seventy-six million, four hundred thirty-two thousand, seven hundred eleven".