74997793 has 8 divisors (see below), whose sum is σ = 80918208. Its totient is φ = 69099024.

The previous prime is 74997787. The next prime is 74997821. The reversal of 74997793 is 39779947.

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 74997793 - 2⁹ = 74997281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74997743) 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, 2196 + ... + 12442.

It is an arithmetic number, because the mean of its divisors is an integer number (10114776).

Almost surely, 2^74997793 is an apocalyptic number.

It is an amenable number.

74997793 is a deficient number, since it is larger than the sum of its proper divisors (5920415).

74997793 is a wasteful number, since it uses less digits than its factorization.

74997793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10823.

The product of its digits is 3000564, while the sum is 55.

The square root of 74997793 is about 8660.1266157026. The cubic root of 74997793 is about 421.7121960416.

The spelling of 74997793 in words is "seventy-four million, nine hundred ninety-seven thousand, seven hundred ninety-three".