74151769 has 2 divisors, whose sum is σ = 74151770. Its totient is φ = 74151768.

The previous prime is 74151751. The next prime is 74151817. The reversal of 74151769 is 96715147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 19465744 = 7395^2 + 4412^2 .

It is a cyclic number.

It is not a de Polignac number, because 74151769 - 2¹¹ = 74149721 is a prime.

It is a super-2 number, since 2×74151769² = 10996969691658722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74151169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37075884 + 37075885.

It is an arithmetic number, because the mean of its divisors is an integer number (37075885).

Almost surely, 2^74151769 is an apocalyptic number.

It is an amenable number.

74151769 is a deficient number, since it is larger than the sum of its proper divisors (1).

74151769 is an equidigital number, since it uses as much as digits as its factorization.

74151769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 40.

The square root of 74151769 is about 8611.1421425964. The cubic root of 74151769 is about 420.1204661999.

The spelling of 74151769 in words is "seventy-four million, one hundred fifty-one thousand, seven hundred sixty-nine".