72609814 has 8 divisors (see below), whose sum is σ = 109025280. Its totient is φ = 36268056.

The previous prime is 72609793. The next prime is 72609821. The reversal of 72609814 is 41890627.

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

It is a super-2 number, since 2×72609814² = 10544370178229192, which contains 22 as substring.

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, 15894 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (13628160).

Almost surely, 2^72609814 is an apocalyptic number.

72609814 is a deficient number, since it is larger than the sum of its proper divisors (36415466).

72609814 is a wasteful number, since it uses less digits than its factorization.

72609814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36854.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 72609814 is about 8521.1392430825. The cubic root of 72609814 is about 417.1879681732.

The spelling of 72609814 in words is "seventy-two million, six hundred nine thousand, eight hundred fourteen".