74969633 has 2 divisors, whose sum is σ = 74969634. Its totient is φ = 74969632.

The previous prime is 74969623. The next prime is 74969639. The reversal of 74969633 is 33696947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59105344 + 15864289 = 7688^2 + 3983^2 .

It is an emirp because it is prime and its reverse (33696947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74969633 - 2¹² = 74965537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74969639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37484816 + 37484817.

It is an arithmetic number, because the mean of its divisors is an integer number (37484817).

Almost surely, 2^74969633 is an apocalyptic number.

It is an amenable number.

74969633 is a deficient number, since it is larger than the sum of its proper divisors (1).

74969633 is an equidigital number, since it uses as much as digits as its factorization.

74969633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 47.

The square root of 74969633 is about 8658.5006207772. The cubic root of 74969633 is about 421.6594082569.

The spelling of 74969633 in words is "seventy-four million, nine hundred sixty-nine thousand, six hundred thirty-three".