74612633 has 2 divisors, whose sum is σ = 74612634. Its totient is φ = 74612632.

The previous prime is 74612599. The next prime is 74612647. The reversal of 74612633 is 33621647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 30946969 = 6608^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 74612633 - 2⁶ = 74612569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74612633.

It is not a weakly prime, because it can be changed into another prime (74612653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37306316 + 37306317.

It is an arithmetic number, because the mean of its divisors is an integer number (37306317).

Almost surely, 2^74612633 is an apocalyptic number.

It is an amenable number.

74612633 is a deficient number, since it is larger than the sum of its proper divisors (1).

74612633 is an equidigital number, since it uses as much as digits as its factorization.

74612633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 74612633 is about 8637.8604411046. The cubic root of 74612633 is about 420.9890391205.

The spelling of 74612633 in words is "seventy-four million, six hundred twelve thousand, six hundred thirty-three".