74949347 has 4 divisors (see below), whose sum is σ = 81762936. Its totient is φ = 68135760.

The previous prime is 74949299. The next prime is 74949361. The reversal of 74949347 is 74394947.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74949347 - 2⁶ = 74949283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74949377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406778 + ... + 3406799.

It is an arithmetic number, because the mean of its divisors is an integer number (20440734).

Almost surely, 2^74949347 is an apocalyptic number.

74949347 is a deficient number, since it is larger than the sum of its proper divisors (6813589).

74949347 is a wasteful number, since it uses less digits than its factorization.

74949347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813588.

The product of its digits is 762048, while the sum is 47.

The square root of 74949347 is about 8657.3290915848. The cubic root of 74949347 is about 421.6213726147.

The spelling of 74949347 in words is "seventy-four million, nine hundred forty-nine thousand, three hundred forty-seven".