74708149 has 16 divisors (see below), whose sum is σ = 81165888. Its totient is φ = 68504832.

The previous prime is 74708141. The next prime is 74708173. The reversal of 74708149 is 94180747.

It is not a de Polignac number, because 74708149 - 2³ = 74708141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74708141) 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, 121567 + ... + 122179.

It is an arithmetic number, because the mean of its divisors is an integer number (5072868).

Almost surely, 2^74708149 is an apocalyptic number.

It is an amenable number.

74708149 is a deficient number, since it is larger than the sum of its proper divisors (6457739).

74708149 is a wasteful number, since it uses less digits than its factorization.

74708149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 74708149 is about 8643.3875882087. The cubic root of 74708149 is about 421.1686067564.

The spelling of 74708149 in words is "seventy-four million, seven hundred eight thousand, one hundred forty-nine".