74840799 has 16 divisors (see below), whose sum is σ = 109764864. Its totient is φ = 45355640.

The previous prime is 74840761. The next prime is 74840803. The reversal of 74840799 is 99704847.

It is a happy number.

It is not a de Polignac number, because 74840799 - 2⁸ = 74840543 is a prime.

It is a super-2 number, since 2×74840799² = 11202290389916802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74842799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5379 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (6860304).

Almost surely, 2^74840799 is an apocalyptic number.

74840799 is a deficient number, since it is larger than the sum of its proper divisors (34924065).

74840799 is a wasteful number, since it uses less digits than its factorization.

74840799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18779 (or 18757 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 74840799 is about 8651.0576810006. The cubic root of 74840799 is about 421.4177316647.

The spelling of 74840799 in words is "seventy-four million, eight hundred forty thousand, seven hundred ninety-nine".