424754721 has 6 divisors (see below), whose sum is σ = 613534610. Its totient is φ = 283169808.

The previous prime is 424754717. The next prime is 424754723. The reversal of 424754721 is 127457424.

It can be written as a sum of positive squares in only one way, i.e., 372914721 + 51840000 = 19311^2 + 7200^2 .

It is not a de Polignac number, because 424754721 - 2² = 424754717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424754723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23597476 + ... + 23597493.

Almost surely, 2^424754721 is an apocalyptic number.

It is an amenable number.

424754721 is a deficient number, since it is larger than the sum of its proper divisors (188779889).

424754721 is a wasteful number, since it uses less digits than its factorization.

424754721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47194975 (or 47194972 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 424754721 is about 20609.5783799669. The cubic root of 424754721 is about 751.7026331289.

The spelling of 424754721 in words is "four hundred twenty-four million, seven hundred fifty-four thousand, seven hundred twenty-one".