74910149 has 12 divisors (see below), whose sum is σ = 79190496. Its totient is φ = 70726392.

The previous prime is 74910137. The next prime is 74910169. The reversal of 74910149 is 94101947.

It is not a de Polignac number, because 74910149 - 2⁴ = 74910133 is a prime.

It is a super-2 number, since 2×74910149² = 11223060846404402, 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 (74910169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243854 + ... + 244160.

It is an arithmetic number, because the mean of its divisors is an integer number (6599208).

Almost surely, 2^74910149 is an apocalyptic number.

It is an amenable number.

74910149 is a deficient number, since it is larger than the sum of its proper divisors (4280347).

74910149 is a wasteful number, since it uses less digits than its factorization.

74910149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 74910149 is about 8655.0649333208. The cubic root of 74910149 is about 421.5478580916.

The spelling of 74910149 in words is "seventy-four million, nine hundred ten thousand, one hundred forty-nine".