72983071 has 8 divisors (see below), whose sum is σ = 87035904. Its totient is φ = 59836920.

The previous prime is 72983069. The next prime is 72983089. The reversal of 72983071 is 17038927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72983071 - 2¹ = 72983069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72983071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72983041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226495 + ... + 226816.

It is an arithmetic number, because the mean of its divisors is an integer number (10879488).

Almost surely, 2^72983071 is an apocalyptic number.

72983071 is a deficient number, since it is larger than the sum of its proper divisors (14052833).

72983071 is a wasteful number, since it uses less digits than its factorization.

72983071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453341.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 72983071 is about 8543.0129930839. The cubic root of 72983071 is about 417.9016102759.

The spelling of 72983071 in words is "seventy-two million, nine hundred eighty-three thousand, seventy-one".