746778433 has 2 divisors, whose sum is σ = 746778434. Its totient is φ = 746778432.

The previous prime is 746778407. The next prime is 746778457. The reversal of 746778433 is 334877647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395890609 + 350887824 = 19897^2 + 18732^2 .

It is a cyclic number.

It is not a de Polignac number, because 746778433 - 2²⁹ = 209907521 is a prime.

It is not a weakly prime, because it can be changed into another prime (746718433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373389216 + 373389217.

It is an arithmetic number, because the mean of its divisors is an integer number (373389217).

Almost surely, 2^746778433 is an apocalyptic number.

It is an amenable number.

746778433 is a deficient number, since it is larger than the sum of its proper divisors (1).

746778433 is an equidigital number, since it uses as much as digits as its factorization.

746778433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 49.

The square root of 746778433 is about 27327.2470805239. The cubic root of 746778433 is about 907.2575458466.

The spelling of 746778433 in words is "seven hundred forty-six million, seven hundred seventy-eight thousand, four hundred thirty-three".