74707733 has 2 divisors, whose sum is σ = 74707734. Its totient is φ = 74707732.

The previous prime is 74707723. The next prime is 74707811. The reversal of 74707733 is 33770747.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 19695844 = 7417^2 + 4438^2 .

It is a cyclic number.

It is not a de Polignac number, because 74707733 - 2¹⁸ = 74445589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74707723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37353866 + 37353867.

It is an arithmetic number, because the mean of its divisors is an integer number (37353867).

Almost surely, 2^74707733 is an apocalyptic number.

It is an amenable number.

74707733 is a deficient number, since it is larger than the sum of its proper divisors (1).

74707733 is an equidigital number, since it uses as much as digits as its factorization.

74707733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86436, while the sum is 38.

The square root of 74707733 is about 8643.3635235364. The cubic root of 74707733 is about 421.1678250190.

The spelling of 74707733 in words is "seventy-four million, seven hundred seven thousand, seven hundred thirty-three".