74688151 has 2 divisors, whose sum is σ = 74688152. Its totient is φ = 74688150.

The previous prime is 74688149. The next prime is 74688161. The reversal of 74688151 is 15188647.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74688151 - 2¹ = 74688149 is a prime.

Together with 74688149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74688161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37344075 + 37344076.

It is an arithmetic number, because the mean of its divisors is an integer number (37344076).

Almost surely, 2^74688151 is an apocalyptic number.

74688151 is a deficient number, since it is larger than the sum of its proper divisors (1).

74688151 is an equidigital number, since it uses as much as digits as its factorization.

74688151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 40.

The square root of 74688151 is about 8642.2306726909. The cubic root of 74688151 is about 421.1310237014.

The spelling of 74688151 in words is "seventy-four million, six hundred eighty-eight thousand, one hundred fifty-one".