72052742 has 16 divisors (see below), whose sum is σ = 111934464. Its totient is φ = 34749000.

The previous prime is 72052699. The next prime is 72052759. The reversal of 72052742 is 24725027.

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, 18767 + ... + 22277.

It is an arithmetic number, because the mean of its divisors is an integer number (6995904).

Almost surely, 2^72052742 is an apocalyptic number.

72052742 is a deficient number, since it is larger than the sum of its proper divisors (39881722).

72052742 is a wasteful number, since it uses less digits than its factorization.

72052742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 72052742 is about 8488.3886574544. The cubic root of 72052742 is about 416.1183210955.

Adding to 72052742 its reverse (24725027), we get a palindrome (96777769).

The spelling of 72052742 in words is "seventy-two million, fifty-two thousand, seven hundred forty-two".