45973993 has 8 divisors (see below), whose sum is σ = 50250368. Its totient is φ = 41803344.

The previous prime is 45973981. The next prime is 45973999. The reversal of 45973993 is 39937954.

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-45973993 is a prime.

It is a super-2 number, since 2×45973993² = 4227216064728098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45973999) 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, 25521 + ... + 27262.

It is an arithmetic number, because the mean of its divisors is an integer number (6281296).

Almost surely, 2^45973993 is an apocalyptic number.

It is an amenable number.

45973993 is a deficient number, since it is larger than the sum of its proper divisors (4276375).

45973993 is a wasteful number, since it uses less digits than its factorization.

45973993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52863.

The product of its digits is 918540, while the sum is 49.

The square root of 45973993 is about 6780.4124505815. The cubic root of 45973993 is about 358.2372494982.

The spelling of 45973993 in words is "forty-five million, nine hundred seventy-three thousand, nine hundred ninety-three".