74334157 has 2 divisors, whose sum is σ = 74334158. Its totient is φ = 74334156.

The previous prime is 74334133. The next prime is 74334167. The reversal of 74334157 is 75143347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68326756 + 6007401 = 8266^2 + 2451^2 .

It is a cyclic number.

It is not a de Polignac number, because 74334157 - 2²³ = 65945549 is a prime.

It is equal to p_4357573 and since 74334157 and 4357573 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74334167) 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 as a sum of consecutive naturals, namely, 37167078 + 37167079.

It is an arithmetic number, because the mean of its divisors is an integer number (37167079).

Almost surely, 2^74334157 is an apocalyptic number.

It is an amenable number.

74334157 is a deficient number, since it is larger than the sum of its proper divisors (1).

74334157 is an equidigital number, since it uses as much as digits as its factorization.

74334157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 34.

The square root of 74334157 is about 8621.7258713091. The cubic root of 74334157 is about 420.4646350787.

The spelling of 74334157 in words is "seventy-four million, three hundred thirty-four thousand, one hundred fifty-seven".