72742360 has 16 divisors (see below), whose sum is σ = 163670400. Its totient is φ = 29096928.

The previous prime is 72742309. The next prime is 72742363. The reversal of 72742360 is 6324727.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72742363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909240 + ... + 909319.

It is an arithmetic number, because the mean of its divisors is an integer number (10229400).

Almost surely, 2^72742360 is an apocalyptic number.

It is an amenable number.

72742360 is an abundant number, since it is smaller than the sum of its proper divisors (90928040).

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

72742360 is a wasteful number, since it uses less digits than its factorization.

72742360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818570 (or 1818566 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 72742360 is about 8528.9131781253. The cubic root of 72742360 is about 417.4416665844.

The spelling of 72742360 in words is "seventy-two million, seven hundred forty-two thousand, three hundred sixty".