74711249 has 8 divisors (see below), whose sum is σ = 79212000. Its totient is φ = 70267392.

The previous prime is 74711233. The next prime is 74711257. The reversal of 74711249 is 94211747.

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

It is a cyclic number.

It is not a de Polignac number, because 74711249 - 2⁴ = 74711233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74711149) 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, 11504 + ... + 16785.

It is an arithmetic number, because the mean of its divisors is an integer number (9901500).

Almost surely, 2^74711249 is an apocalyptic number.

It is an amenable number.

74711249 is a deficient number, since it is larger than the sum of its proper divisors (4500751).

74711249 is a wasteful number, since it uses less digits than its factorization.

74711249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28447.

The product of its digits is 14112, while the sum is 35.

The square root of 74711249 is about 8643.5669141854. The cubic root of 74711249 is about 421.1744321121.

The spelling of 74711249 in words is "seventy-four million, seven hundred eleven thousand, two hundred forty-nine".