72033694 has 8 divisors (see below), whose sum is σ = 108106200. Its totient is φ = 35998296.

The previous prime is 72033673. The next prime is 72033713. The reversal of 72033694 is 49633027.

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

It is a congruent number.

It is an unprimeable number.

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, 3769 + ... + 12580.

It is an arithmetic number, because the mean of its divisors is an integer number (13513275).

Almost surely, 2^72033694 is an apocalyptic number.

72033694 is a deficient number, since it is larger than the sum of its proper divisors (36072506).

72033694 is a wasteful number, since it uses less digits than its factorization.

72033694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18554.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 72033694 is about 8487.2665800009. The cubic root of 72033694 is about 416.0816492533.

It can be divided in two parts, 72033 and 694, that added together give a palindrome (72727).

The spelling of 72033694 in words is "seventy-two million, thirty-three thousand, six hundred ninety-four".