74394151 has 8 divisors (see below), whose sum is σ = 80703504. Its totient is φ = 68168640.

The previous prime is 74394149. The next prime is 74394157. The reversal of 74394151 is 15149347.

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 74394151 - 2¹ = 74394149 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 (74394157) 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, 19105 + ... + 22666.

It is an arithmetic number, because the mean of its divisors is an integer number (10087938).

Almost surely, 2^74394151 is an apocalyptic number.

74394151 is a deficient number, since it is larger than the sum of its proper divisors (6309353).

74394151 is a wasteful number, since it uses less digits than its factorization.

74394151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41921.

The product of its digits is 15120, while the sum is 34.

The square root of 74394151 is about 8625.2044033750. The cubic root of 74394151 is about 420.5777215925.

The spelling of 74394151 in words is "seventy-four million, three hundred ninety-four thousand, one hundred fifty-one".