72867459 has 24 divisors (see below), whose sum is σ = 116922960. Its totient is φ = 40200384.

The previous prime is 72867449. The next prime is 72867463. The reversal of 72867459 is 95476827.

It is not a de Polignac number, because 72867459 - 2⁷ = 72867331 is a prime.

It is a super-2 number, since 2×72867459² = 10619333162233362, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (72867409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4284 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (4871790).

Almost surely, 2^72867459 is an apocalyptic number.

72867459 is a deficient number, since it is larger than the sum of its proper divisors (44055501).

72867459 is a wasteful number, since it uses less digits than its factorization.

72867459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17139 (or 17132 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 72867459 is about 8536.2438460953. The cubic root of 72867459 is about 417.6808285964.

The spelling of 72867459 in words is "seventy-two million, eight hundred sixty-seven thousand, four hundred fifty-nine".