74983997 has 8 divisors (see below), whose sum is σ = 81864000. Its totient is φ = 68114560.

The previous prime is 74983981. The next prime is 74984003. The reversal of 74983997 is 79938947.

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 74983997 - 2⁴ = 74983981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74983927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23504 + ... + 26502.

It is an arithmetic number, because the mean of its divisors is an integer number (10233000).

Almost surely, 2^74983997 is an apocalyptic number.

It is an amenable number.

74983997 is a deficient number, since it is larger than the sum of its proper divisors (6880003).

74983997 is a wasteful number, since it uses less digits than its factorization.

74983997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283.

The product of its digits is 3429216, while the sum is 56.

The square root of 74983997 is about 8659.3300549176. The cubic root of 74983997 is about 421.6863361774.

The spelling of 74983997 in words is "seventy-four million, nine hundred eighty-three thousand, nine hundred ninety-seven".