754323421 has 2 divisors, whose sum is σ = 754323422. Its totient is φ = 754323420.

The previous prime is 754323397. The next prime is 754323457. The reversal of 754323421 is 124323457.

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., 505125625 + 249197796 = 22475^2 + 15786^2 .

It is an emirp because it is prime and its reverse (124323457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 754323421 - 2⁷ = 754323293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (754323121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377161710 + 377161711.

It is an arithmetic number, because the mean of its divisors is an integer number (377161711).

Almost surely, 2^754323421 is an apocalyptic number.

It is an amenable number.

754323421 is a deficient number, since it is larger than the sum of its proper divisors (1).

754323421 is an equidigital number, since it uses as much as digits as its factorization.

754323421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 754323421 is about 27464.9489531657. The cubic root of 754323421 is about 910.3027696794.

Adding to 754323421 its reverse (124323457), we get a palindrome (878646878).

The spelling of 754323421 in words is "seven hundred fifty-four million, three hundred twenty-three thousand, four hundred twenty-one".