3774432397 has 2 divisors, whose sum is σ = 3774432398. Its totient is φ = 3774432396.

The previous prime is 3774432353. The next prime is 3774432421. The reversal of 3774432397 is 7932344773.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3525865641 + 248566756 = 59379^2 + 15766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3774432397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3774432397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3774432307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887216198 + 1887216199.

It is an arithmetic number, because the mean of its divisors is an integer number (1887216199).

Almost surely, 2^3774432397 is an apocalyptic number.

It is an amenable number.

3774432397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3774432397 is an equidigital number, since it uses as much as digits as its factorization.

3774432397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 49.

The square root of 3774432397 is about 61436.4093758742. The cubic root of 3774432397 is about 1556.9830466614.

The spelling of 3774432397 in words is "three billion, seven hundred seventy-four million, four hundred thirty-two thousand, three hundred ninety-seven".