74995757 has 2 divisors, whose sum is σ = 74995758. Its totient is φ = 74995756.

The previous prime is 74995681. The next prime is 74995763. The reversal of 74995757 is 75759947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66896041 + 8099716 = 8179^2 + 2846^2 .

It is a cyclic number.

It is not a de Polignac number, because 74995757 - 2¹⁶ = 74930221 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74995699 and 74995708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74995787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37497878 + 37497879.

It is an arithmetic number, because the mean of its divisors is an integer number (37497879).

Almost surely, 2^74995757 is an apocalyptic number.

It is an amenable number.

74995757 is a deficient number, since it is larger than the sum of its proper divisors (1).

74995757 is an equidigital number, since it uses as much as digits as its factorization.

74995757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2778300, while the sum is 53.

The square root of 74995757 is about 8660.0090646604. The cubic root of 74995757 is about 421.7083798680.

The spelling of 74995757 in words is "seventy-four million, nine hundred ninety-five thousand, seven hundred fifty-seven".