72742119 has 8 divisors (see below), whose sum is σ = 97950192. Its totient is φ = 48014400.

The previous prime is 72742067. The next prime is 72742147. The reversal of 72742119 is 91124727.

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

It is not a de Polignac number, because 72742119 - 2²¹ = 70644967 is a prime.

It is a super-2 number, since 2×72742119² = 10582831753220322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72742119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72742619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119734 + ... + 120339.

It is an arithmetic number, because the mean of its divisors is an integer number (12243774).

Almost surely, 2^72742119 is an apocalyptic number.

72742119 is a deficient number, since it is larger than the sum of its proper divisors (25208073).

72742119 is a wasteful number, since it uses less digits than its factorization.

72742119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240177.

The product of its digits is 7056, while the sum is 33.

The square root of 72742119 is about 8528.8990497015. The cubic root of 72742119 is about 417.4412055804.

The spelling of 72742119 in words is "seventy-two million, seven hundred forty-two thousand, one hundred nineteen".