74540357 has 2 divisors, whose sum is σ = 74540358. Its totient is φ = 74540356.

The previous prime is 74540341. The next prime is 74540369. The reversal of 74540357 is 75304547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51825601 + 22714756 = 7199^2 + 4766^2 .

It is a cyclic number.

It is not a de Polignac number, because 74540357 - 2⁴ = 74540341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74540317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37270178 + 37270179.

It is an arithmetic number, because the mean of its divisors is an integer number (37270179).

Almost surely, 2^74540357 is an apocalyptic number.

It is an amenable number.

74540357 is a deficient number, since it is larger than the sum of its proper divisors (1).

74540357 is an equidigital number, since it uses as much as digits as its factorization.

74540357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 74540357 is about 8633.6757525402. The cubic root of 74540357 is about 420.8530602087.

The spelling of 74540357 in words is "seventy-four million, five hundred forty thousand, three hundred fifty-seven".