73052981 has 8 divisors (see below), whose sum is σ = 74598720. Its totient is φ = 71520768.

The previous prime is 73052971. The next prime is 73052983. The reversal of 73052981 is 18925037.

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 73052981 - 2²⁶ = 5944117 is a prime.

It is a super-2 number, since 2×73052981² = 10673476065972722, which contains 22 as substring.

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 (73052983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7925 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (9324840).

Almost surely, 2^73052981 is an apocalyptic number.

It is an amenable number.

73052981 is a deficient number, since it is larger than the sum of its proper divisors (1545739).

73052981 is a wasteful number, since it uses less digits than its factorization.

73052981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 73052981 is about 8547.1036614750. The cubic root of 73052981 is about 418.0350027540.

The spelling of 73052981 in words is "seventy-three million, fifty-two thousand, nine hundred eighty-one".