74249277 has 8 divisors (see below), whose sum is σ = 99546720. Its totient is φ = 49225680.

The previous prime is 74249191. The next prime is 74249281. The reversal of 74249277 is 77294247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74249277 - 2²⁴ = 57472061 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74249377) 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, 67827 + ... + 68912.

It is an arithmetic number, because the mean of its divisors is an integer number (12443340).

Almost surely, 2^74249277 is an apocalyptic number.

It is an amenable number.

74249277 is a deficient number, since it is larger than the sum of its proper divisors (25297443).

74249277 is a wasteful number, since it uses less digits than its factorization.

74249277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136923.

The product of its digits is 197568, while the sum is 42.

The square root of 74249277 is about 8616.8020169898. The cubic root of 74249277 is about 420.3045353687.

The spelling of 74249277 in words is "seventy-four million, two hundred forty-nine thousand, two hundred seventy-seven".