72072854 has 16 divisors (see below), whose sum is σ = 123710976. Its totient is φ = 30849000.

The previous prime is 72072841. The next prime is 72072857. The reversal of 72072854 is 45827027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72072857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9929 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (7731936).

Almost surely, 2^72072854 is an apocalyptic number.

72072854 is a deficient number, since it is larger than the sum of its proper divisors (51638122).

72072854 is a wasteful number, since it uses less digits than its factorization.

72072854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 72072854 is about 8489.5732519368. The cubic root of 72072854 is about 416.1570343717.

The spelling of 72072854 in words is "seventy-two million, seventy-two thousand, eight hundred fifty-four".