74744633 has 2 divisors, whose sum is σ = 74744634. Its totient is φ = 74744632.

The previous prime is 74744623. The next prime is 74744647. The reversal of 74744633 is 33644747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69939769 + 4804864 = 8363^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 74744633 - 2⁶ = 74744569 is a prime.

It is a super-4 number, since 4×74744633⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (74744623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37372316 + 37372317.

It is an arithmetic number, because the mean of its divisors is an integer number (37372317).

Almost surely, 2^74744633 is an apocalyptic number.

It is an amenable number.

74744633 is a deficient number, since it is larger than the sum of its proper divisors (1).

74744633 is an equidigital number, since it uses as much as digits as its factorization.

74744633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 38.

The square root of 74744633 is about 8645.4978456998. The cubic root of 74744633 is about 421.2371553463.

The spelling of 74744633 in words is "seventy-four million, seven hundred forty-four thousand, six hundred thirty-three".