72499814 has 8 divisors (see below), whose sum is σ = 109217160. Its totient is φ = 36094096.

The previous prime is 72499807. The next prime is 72499831. The reversal of 72499814 is 41899427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77324 + ... + 78255.

It is an arithmetic number, because the mean of its divisors is an integer number (13652145).

Almost surely, 2^72499814 is an apocalyptic number.

72499814 is a deficient number, since it is larger than the sum of its proper divisors (36717346).

72499814 is a wasteful number, since it uses less digits than its factorization.

72499814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155814.

The product of its digits is 145152, while the sum is 44.

The square root of 72499814 is about 8514.6822606601. The cubic root of 72499814 is about 416.9771891821.

The spelling of 72499814 in words is "seventy-two million, four hundred ninety-nine thousand, eight hundred fourteen".