72974901 has 8 divisors (see below), whose sum is σ = 97718400. Its totient is φ = 48440672.

The previous prime is 72974851. The next prime is 72974903. The reversal of 72974901 is 10947927.

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 72974901 - 2⁷ = 72974773 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72974901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72974903) by changing a digit.

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, 51501 + ... + 52898.

It is an arithmetic number, because the mean of its divisors is an integer number (12214800).

Almost surely, 2^72974901 is an apocalyptic number.

It is an amenable number.

72974901 is a deficient number, since it is larger than the sum of its proper divisors (24743499).

72974901 is a wasteful number, since it uses less digits than its factorization.

72974901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104635.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 72974901 is about 8542.5348111670. The cubic root of 72974901 is about 417.8860158670.

The spelling of 72974901 in words is "seventy-two million, nine hundred seventy-four thousand, nine hundred one".