74216949 has 8 divisors (see below), whose sum is σ = 99009120. Its totient is φ = 49451376.

The previous prime is 74216911. The next prime is 74216977. The reversal of 74216949 is 94961247.

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

It is not a de Polignac number, because 74216949 - 2⁸ = 74216693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74216949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74216999) 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, 1182 + ... + 12240.

It is an arithmetic number, because the mean of its divisors is an integer number (12376140).

Almost surely, 2^74216949 is an apocalyptic number.

It is an amenable number.

74216949 is a deficient number, since it is larger than the sum of its proper divisors (24792171).

74216949 is a wasteful number, since it uses less digits than its factorization.

74216949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299.

The product of its digits is 108864, while the sum is 42.

The square root of 74216949 is about 8614.9259428042. The cubic root of 74216949 is about 420.2435265703.

The spelling of 74216949 in words is "seventy-four million, two hundred sixteen thousand, nine hundred forty-nine".