72983485 has 24 divisors (see below), whose sum is σ = 93925944. Its totient is φ = 54405120.

The previous prime is 72983473. The next prime is 72983489. The reversal of 72983485 is 58438927.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 72812089 = 414^2 + 8533^2 .

It is not a de Polignac number, because 72983485 - 2²⁵ = 39429053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72983489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108109 + ... + 108781.

It is an arithmetic number, because the mean of its divisors is an integer number (3913581).

Almost surely, 2^72983485 is an apocalyptic number.

It is an amenable number.

72983485 is a deficient number, since it is larger than the sum of its proper divisors (20942459).

72983485 is a wasteful number, since it uses less digits than its factorization.

72983485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 742 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 72983485 is about 8543.0372233767. The cubic root of 72983485 is about 417.9024004635.

The spelling of 72983485 in words is "seventy-two million, nine hundred eighty-three thousand, four hundred eighty-five".