743274401 has 2 divisors, whose sum is σ = 743274402. Its totient is φ = 743274400.

The previous prime is 743274361. The next prime is 743274439. The reversal of 743274401 is 104472347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595408801 + 147865600 = 24401^2 + 12160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743274401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (743270401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371637200 + 371637201.

It is an arithmetic number, because the mean of its divisors is an integer number (371637201).

Almost surely, 2^743274401 is an apocalyptic number.

It is an amenable number.

743274401 is a deficient number, since it is larger than the sum of its proper divisors (1).

743274401 is an equidigital number, since it uses as much as digits as its factorization.

743274401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 743274401 is about 27263.0592744101. The cubic root of 743274401 is about 905.8363100454.

The spelling of 743274401 in words is "seven hundred forty-three million, two hundred seventy-four thousand, four hundred one".