73982553 has 4 divisors (see below), whose sum is σ = 98643408. Its totient is φ = 49321700.

The previous prime is 73982549. The next prime is 73982627. The reversal of 73982553 is 35528937.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73982553 - 2² = 73982549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73982533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12330423 + ... + 12330428.

It is an arithmetic number, because the mean of its divisors is an integer number (24660852).

Almost surely, 2^73982553 is an apocalyptic number.

It is an amenable number.

73982553 is a deficient number, since it is larger than the sum of its proper divisors (24660855).

73982553 is a wasteful number, since it uses less digits than its factorization.

73982553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24660854.

The product of its digits is 226800, while the sum is 42.

The square root of 73982553 is about 8601.3111209861. The cubic root of 73982553 is about 419.8006480234.

The spelling of 73982553 in words is "seventy-three million, nine hundred eighty-two thousand, five hundred fifty-three".