73751983 has 2 divisors, whose sum is σ = 73751984. Its totient is φ = 73751982.

The previous prime is 73751981. The next prime is 73752011. The reversal of 73751983 is 38915737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73751983 - 2¹ = 73751981 is a prime.

Together with 73751981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73751981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36875991 + 36875992.

It is an arithmetic number, because the mean of its divisors is an integer number (36875992).

Almost surely, 2^73751983 is an apocalyptic number.

73751983 is a deficient number, since it is larger than the sum of its proper divisors (1).

73751983 is an equidigital number, since it uses as much as digits as its factorization.

73751983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 73751983 is about 8587.8974726064. The cubic root of 73751983 is about 419.3640848984.

The spelling of 73751983 in words is "seventy-three million, seven hundred fifty-one thousand, nine hundred eighty-three".