72113734 has 16 divisors (see below), whose sum is σ = 134862336. Its totient is φ = 28096200.

The previous prime is 72113731. The next prime is 72113737. The reversal of 72113734 is 43731127.

It is an interprime number because it is at equal distance from previous prime (72113731) and next prime (72113737).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72113731) 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, 233982 + ... + 234289.

It is an arithmetic number, because the mean of its divisors is an integer number (8428896).

Almost surely, 2^72113734 is an apocalyptic number.

72113734 is a deficient number, since it is larger than the sum of its proper divisors (62748602).

72113734 is a wasteful number, since it uses less digits than its factorization.

72113734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468291.

The product of its digits is 3528, while the sum is 28.

The square root of 72113734 is about 8491.9805699260. The cubic root of 72113734 is about 416.2357014570.

The spelling of 72113734 in words is "seventy-two million, one hundred thirteen thousand, seven hundred thirty-four".