72765142 has 8 divisors (see below), whose sum is σ = 109184976. Its totient is φ = 36370152.

The previous prime is 72765139. The next prime is 72765157. The reversal of 72765142 is 24156727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72765098 and 72765107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5623 + ... + 13309.

It is an arithmetic number, because the mean of its divisors is an integer number (13648122).

Almost surely, 2^72765142 is an apocalyptic number.

72765142 is a deficient number, since it is larger than the sum of its proper divisors (36419834).

72765142 is a wasteful number, since it uses less digits than its factorization.

72765142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12422.

The product of its digits is 23520, while the sum is 34.

The square root of 72765142 is about 8530.2486481931. The cubic root of 72765142 is about 417.4852412104.

The spelling of 72765142 in words is "seventy-two million, seven hundred sixty-five thousand, one hundred forty-two".