72338340 has 24 divisors (see below), whose sum is σ = 202547520. Its totient is φ = 19290208.

The previous prime is 72338327. The next prime is 72338389. The reversal of 72338340 is 4383327.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 72338298 and 72338307.

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, 602760 + ... + 602879.

It is an arithmetic number, because the mean of its divisors is an integer number (8439480).

Almost surely, 2^72338340 is an apocalyptic number.

It is an amenable number.

72338340 is an abundant number, since it is smaller than the sum of its proper divisors (130209180).

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

72338340 is a wasteful number, since it uses less digits than its factorization.

72338340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205651 (or 1205649 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 72338340 is about 8505.1948831288. The cubic root of 72338340 is about 416.6673905765.

The spelling of 72338340 in words is "seventy-two million, three hundred thirty-eight thousand, three hundred forty".