72741372 has 48 divisors (see below), whose sum is σ = 185808000. Its totient is φ = 21965760.

The previous prime is 72741313. The next prime is 72741373. The reversal of 72741372 is 27314727.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72741373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45279 + ... + 46857.

It is an arithmetic number, because the mean of its divisors is an integer number (3871000).

Almost surely, 2^72741372 is an apocalyptic number.

It is an amenable number.

72741372 is an abundant number, since it is smaller than the sum of its proper divisors (113066628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72741372 is a wasteful number, since it uses less digits than its factorization.

72741372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1944 counting only the distinct ones).

The product of its digits is 16464, while the sum is 33.

The square root of 72741372 is about 8528.8552573015. The cubic root of 72741372 is about 417.4397766528.

It can be divided in two parts, 7274 and 1372, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 72741372 in words is "seventy-two million, seven hundred forty-one thousand, three hundred seventy-two".