72894700 has 18 divisors (see below), whose sum is σ = 158181716. Its totient is φ = 29157840.

The previous prime is 72894631. The next prime is 72894721. The reversal of 72894700 is 749827.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72894700.

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 5 ways as a sum of consecutive naturals, for example, 364374 + ... + 364573.

Almost surely, 2^72894700 is an apocalyptic number.

It is an amenable number.

72894700 is an abundant number, since it is smaller than the sum of its proper divisors (85287016).

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

72894700 is a wasteful number, since it uses less digits than its factorization.

72894700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728961 (or 728954 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 72894700 is about 8537.8393051170. The cubic root of 72894700 is about 417.7328711498.

The spelling of 72894700 in words is "seventy-two million, eight hundred ninety-four thousand, seven hundred".