74899069 has 16 divisors (see below), whose sum is σ = 88662016. Its totient is φ = 61916400.

The previous prime is 74899061. The next prime is 74899073. The reversal of 74899069 is 96099847.

It is not a de Polignac number, because 74899069 - 2³ = 74899061 is a prime.

It is a super-2 number, since 2×74899069² = 11219741074133522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74899061) 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, 118384 + ... + 119014.

It is an arithmetic number, because the mean of its divisors is an integer number (5541376).

Almost surely, 2^74899069 is an apocalyptic number.

It is an amenable number.

74899069 is a deficient number, since it is larger than the sum of its proper divisors (13762947).

74899069 is a wasteful number, since it uses less digits than its factorization.

74899069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 74899069 is about 8654.4248220202. The cubic root of 74899069 is about 421.5270732774.

The spelling of 74899069 in words is "seventy-four million, eight hundred ninety-nine thousand, sixty-nine".