74038957 has 2 divisors, whose sum is σ = 74038958. Its totient is φ = 74038956.

The previous prime is 74038903. The next prime is 74038967. The reversal of 74038957 is 75983047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38266596 + 35772361 = 6186^2 + 5981^2 .

It is a cyclic number.

It is not a de Polignac number, because 74038957 - 2¹¹ = 74036909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74038967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37019478 + 37019479.

It is an arithmetic number, because the mean of its divisors is an integer number (37019479).

Almost surely, 2^74038957 is an apocalyptic number.

It is an amenable number.

74038957 is a deficient number, since it is larger than the sum of its proper divisors (1).

74038957 is an equidigital number, since it uses as much as digits as its factorization.

74038957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 74038957 is about 8604.5892987405. The cubic root of 74038957 is about 419.9073056965.

The spelling of 74038957 in words is "seventy-four million, thirty-eight thousand, nine hundred fifty-seven".