74905798 has 16 divisors (see below), whose sum is σ = 122720976. Its totient is φ = 34007040.

The previous prime is 74905793. The next prime is 74905813. The reversal of 74905798 is 89750947.

It is a happy number.

It is a super-2 number, since 2×74905798² = 11221757148033608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74905793) 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, 23890 + ... + 26842.

It is an arithmetic number, because the mean of its divisors is an integer number (7670061).

Almost surely, 2^74905798 is an apocalyptic number.

74905798 is a deficient number, since it is larger than the sum of its proper divisors (47815178).

74905798 is a wasteful number, since it uses less digits than its factorization.

74905798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 74905798 is about 8654.8135739599. The cubic root of 74905798 is about 421.5396963571.

The spelling of 74905798 in words is "seventy-four million, nine hundred five thousand, seven hundred ninety-eight".