72801683 has 2 divisors, whose sum is σ = 72801684. Its totient is φ = 72801682.

The previous prime is 72801643. The next prime is 72801689. The reversal of 72801683 is 38610827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72801683 - 2²² = 68607379 is a prime.

It is not a weakly prime, because it can be changed into another prime (72801689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36400841 + 36400842.

It is an arithmetic number, because the mean of its divisors is an integer number (36400842).

Almost surely, 2^72801683 is an apocalyptic number.

72801683 is a deficient number, since it is larger than the sum of its proper divisors (1).

72801683 is an equidigital number, since it uses as much as digits as its factorization.

72801683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 72801683 is about 8532.3902278318. The cubic root of 72801683 is about 417.5551133812. Note that the first 3 decimals are identical.

The spelling of 72801683 in words is "seventy-two million, eight hundred one thousand, six hundred eighty-three".