73982831 has 4 divisors (see below), whose sum is σ = 79673832. Its totient is φ = 68291832.

The previous prime is 73982767. The next prime is 73982849. The reversal of 73982831 is 13828937.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73982831 - 2⁶ = 73982767 is a prime.

It is a super-2 number, since 2×73982831² = 10946918565549122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73982891) 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, 2845481 + ... + 2845506.

It is an arithmetic number, because the mean of its divisors is an integer number (19918458).

Almost surely, 2^73982831 is an apocalyptic number.

73982831 is a deficient number, since it is larger than the sum of its proper divisors (5691001).

73982831 is a wasteful number, since it uses less digits than its factorization.

73982831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691000.

The product of its digits is 72576, while the sum is 41.

The square root of 73982831 is about 8601.3272812979. The cubic root of 73982831 is about 419.8011738430.

The spelling of 73982831 in words is "seventy-three million, nine hundred eighty-two thousand, eight hundred thirty-one".