72867384 has 32 divisors (see below), whose sum is σ = 202410000. Its totient is φ = 24289056.

The previous prime is 72867383. The next prime is 72867397. The reversal of 72867384 is 48376827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72867383) 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, 168459 + ... + 168890.

Almost surely, 2^72867384 is an apocalyptic number.

It is an amenable number.

72867384 is an abundant number, since it is smaller than the sum of its proper divisors (129542616).

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

72867384 is a wasteful number, since it uses less digits than its factorization.

72867384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337364 (or 337354 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 72867384 is about 8536.2394530613. The cubic root of 72867384 is about 417.6806852948.

The spelling of 72867384 in words is "seventy-two million, eight hundred sixty-seven thousand, three hundred eighty-four".