74345151 has 8 divisors (see below), whose sum is σ = 101432320. Its totient is φ = 48410712.

The previous prime is 74345149. The next prime is 74345179. The reversal of 74345151 is 15154347.

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

It is not a de Polignac number, because 74345151 - 2¹ = 74345149 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 (74345101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288031 + ... + 288288.

It is an arithmetic number, because the mean of its divisors is an integer number (12679040).

Almost surely, 2^74345151 is an apocalyptic number.

74345151 is a deficient number, since it is larger than the sum of its proper divisors (27087169).

74345151 is a wasteful number, since it uses less digits than its factorization.

74345151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576365.

The product of its digits is 8400, while the sum is 30.

The square root of 74345151 is about 8622.3634230993. The cubic root of 74345151 is about 420.4853629222.

Adding to 74345151 its reverse (15154347), we get a palindrome (89499498).

The spelling of 74345151 in words is "seventy-four million, three hundred forty-five thousand, one hundred fifty-one".