72893786 has 16 divisors (see below), whose sum is σ = 125516736. Its totient is φ = 31101216.

The previous prime is 72893761. The next prime is 72893797. The reversal of 72893786 is 68739827.

It is a happy number.

It is a zygodrome in base 6.

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 7 ways as a sum of consecutive naturals, for example, 8291 + ... + 14646.

It is an arithmetic number, because the mean of its divisors is an integer number (7844796).

Almost surely, 2^72893786 is an apocalyptic number.

72893786 is a deficient number, since it is larger than the sum of its proper divisors (52622950).

72893786 is a wasteful number, since it uses less digits than its factorization.

72893786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23173.

The product of its digits is 1016064, while the sum is 50.

The square root of 72893786 is about 8537.7857785260. The cubic root of 72893786 is about 417.7311252093.

The spelling of 72893786 in words is "seventy-two million, eight hundred ninety-three thousand, seven hundred eighty-six".