74899893 has 16 divisors (see below), whose sum is σ = 101238336. Its totient is φ = 49251840.

The previous prime is 74899889. The next prime is 74899897. The reversal of 74899893 is 39899847.

It is an interprime number because it is at equal distance from previous prime (74899889) and next prime (74899897).

It is not a de Polignac number, because 74899893 - 2² = 74899889 is a prime.

It is a super-2 number, since 2×74899893² = 11219987942822898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74899897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112983 + ... + 113643.

It is an arithmetic number, because the mean of its divisors is an integer number (6327396).

Almost surely, 2^74899893 is an apocalyptic number.

It is an amenable number.

74899893 is a deficient number, since it is larger than the sum of its proper divisors (26338443).

74899893 is a wasteful number, since it uses less digits than its factorization.

74899893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its digits is 3919104, while the sum is 57.

The square root of 74899893 is about 8654.4724275949. The cubic root of 74899893 is about 421.5286190778.

The spelling of 74899893 in words is "seventy-four million, eight hundred ninety-nine thousand, eight hundred ninety-three".