72740094 has 32 divisors (see below), whose sum is σ = 175015680. Its totient is φ = 19688832.

The previous prime is 72740089. The next prime is 72740111. The reversal of 72740094 is 49004727.

It is a super-2 number, since 2×72740094² = 10582242550257672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44779 + ... + 46374.

It is an arithmetic number, because the mean of its divisors is an integer number (5469240).

Almost surely, 2^72740094 is an apocalyptic number.

72740094 is an abundant number, since it is smaller than the sum of its proper divisors (102275586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72740094 is a wasteful number, since it uses less digits than its factorization.

72740094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91184.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72740094 is about 8528.7803348427. The cubic root of 72740094 is about 417.4373319590.

The spelling of 72740094 in words is "seventy-two million, seven hundred forty thousand, ninety-four".