74813151 has 24 divisors (see below), whose sum is σ = 118876464. Its totient is φ = 41704320.

The previous prime is 74813147. The next prime is 74813173. The reversal of 74813151 is 15131847.

It is not a de Polignac number, because 74813151 - 2² = 74813147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74813111) 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 23 ways as a sum of consecutive naturals, for example, 180 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (4953186).

Almost surely, 2^74813151 is an apocalyptic number.

74813151 is a deficient number, since it is larger than the sum of its proper divisors (44063313).

74813151 is a wasteful number, since it uses less digits than its factorization.

74813151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471 (or 12464 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 74813151 is about 8649.4595784939. The cubic root of 74813151 is about 421.3658313079.

Adding to 74813151 its reverse (15131847), we get a palindrome (89944998).

The spelling of 74813151 in words is "seventy-four million, eight hundred thirteen thousand, one hundred fifty-one".