72982901 has 8 divisors (see below), whose sum is σ = 74325600. Its totient is φ = 71645040.

The previous prime is 72982891. The next prime is 72982909. The reversal of 72982901 is 10928927.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72982901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72982909) 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, 44270 + ... + 45888.

It is an arithmetic number, because the mean of its divisors is an integer number (9290700).

Almost surely, 2^72982901 is an apocalyptic number.

It is an amenable number.

72982901 is a deficient number, since it is larger than the sum of its proper divisors (1342699).

72982901 is a wasteful number, since it uses less digits than its factorization.

72982901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 72982901 is about 8543.0030434268. The cubic root of 72982901 is about 417.9012858019.

The spelling of 72982901 in words is "seventy-two million, nine hundred eighty-two thousand, nine hundred one".