74631673 has 2 divisors, whose sum is σ = 74631674. Its totient is φ = 74631672.

The previous prime is 74631659. The next prime is 74631679. The reversal of 74631673 is 37613647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 35856144 = 6227^2 + 5988^2 .

It is a cyclic number.

It is not a de Polignac number, because 74631673 - 2²¹ = 72534521 is a prime.

It is a super-2 number, since 2×74631673² = 11139773229557858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74631679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37315836 + 37315837.

It is an arithmetic number, because the mean of its divisors is an integer number (37315837).

Almost surely, 2^74631673 is an apocalyptic number.

It is an amenable number.

74631673 is a deficient number, since it is larger than the sum of its proper divisors (1).

74631673 is an equidigital number, since it uses as much as digits as its factorization.

74631673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 74631673 is about 8638.9624955778. The cubic root of 74631673 is about 421.0248460576.

The spelling of 74631673 in words is "seventy-four million, six hundred thirty-one thousand, six hundred seventy-three".