72133814 has 8 divisors (see below), whose sum is σ = 110503008. Its totient is φ = 35299480.

The previous prime is 72133811. The next prime is 72133829. The reversal of 72133814 is 41833127.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72133811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383597 + ... + 383784.

It is an arithmetic number, because the mean of its divisors is an integer number (13812876).

Almost surely, 2^72133814 is an apocalyptic number.

72133814 is a deficient number, since it is larger than the sum of its proper divisors (38369194).

72133814 is a wasteful number, since it uses less digits than its factorization.

72133814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767430.

The product of its digits is 4032, while the sum is 29.

The square root of 72133814 is about 8493.1627795539. The cubic root of 72133814 is about 416.2743313489.

The spelling of 72133814 in words is "seventy-two million, one hundred thirty-three thousand, eight hundred fourteen".