74319151 has 2 divisors, whose sum is σ = 74319152. Its totient is φ = 74319150.

The previous prime is 74319139. The next prime is 74319181. The reversal of 74319151 is 15191347.

It is a weak prime.

It is an emirp because it is prime and its reverse (15191347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74319151 - 2⁷ = 74319023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74319181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37159575 + 37159576.

It is an arithmetic number, because the mean of its divisors is an integer number (37159576).

Almost surely, 2^74319151 is an apocalyptic number.

74319151 is a deficient number, since it is larger than the sum of its proper divisors (1).

74319151 is an equidigital number, since it uses as much as digits as its factorization.

74319151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 74319151 is about 8620.8555839893. The cubic root of 74319151 is about 420.4363398006.

It can be divided in two parts, 74 and 319151, that added together give a square (319225 = 565²).

The spelling of 74319151 in words is "seventy-four million, three hundred nineteen thousand, one hundred fifty-one".