74245349 has 4 divisors (see below), whose sum is σ = 74263200. Its totient is φ = 74227500.

The previous prime is 74245337. The next prime is 74245393. The reversal of 74245349 is 94354247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74245349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74245309) 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, 974 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (18565800).

Almost surely, 2^74245349 is an apocalyptic number.

It is an amenable number.

74245349 is a deficient number, since it is larger than the sum of its proper divisors (17851).

74245349 is a wasteful number, since it uses less digits than its factorization.

74245349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17850.

The product of its digits is 120960, while the sum is 38.

The square root of 74245349 is about 8616.5740871880. The cubic root of 74245349 is about 420.2971234656.

The spelling of 74245349 in words is "seventy-four million, two hundred forty-five thousand, three hundred forty-nine".