74487016957 has 2 divisors, whose sum is σ = 74487016958. Its totient is φ = 74487016956.

The previous prime is 74487016939. The next prime is 74487016963. The reversal of 74487016957 is 75961078447.

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., 51865052121 + 22621964836 = 227739^2 + 150406^2 .

It is a cyclic number.

It is not a de Polignac number, because 74487016957 - 2¹¹ = 74487014909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74487016997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37243508478 + 37243508479.

It is an arithmetic number, because the mean of its divisors is an integer number (37243508479).

Almost surely, 2^74487016957 is an apocalyptic number.

It is an amenable number.

74487016957 is a deficient number, since it is larger than the sum of its proper divisors (1).

74487016957 is an equidigital number, since it uses as much as digits as its factorization.

74487016957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 74487016957 in words is "seventy-four billion, four hundred eighty-seven million, sixteen thousand, nine hundred fifty-seven".