72094940 has 12 divisors (see below), whose sum is σ = 151399416. Its totient is φ = 28837968.

The previous prime is 72094931. The next prime is 72094951. The reversal of 72094940 is 4949027.

It is a self number, because there is not a number n which added to its sum of digits gives 72094940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802354 + ... + 1802393.

It is an arithmetic number, because the mean of its divisors is an integer number (12616618).

Almost surely, 2^72094940 is an apocalyptic number.

It is an amenable number.

72094940 is an abundant number, since it is smaller than the sum of its proper divisors (79304476).

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

72094940 is a wasteful number, since it uses less digits than its factorization.

72094940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604756 (or 3604754 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 72094940 is about 8490.8739243967. The cubic root of 72094940 is about 416.1995390738.

The spelling of 72094940 in words is "seventy-two million, ninety-four thousand, nine hundred forty".