407724479 has 2 divisors, whose sum is σ = 407724480. Its totient is φ = 407724478.

The previous prime is 407724407. The next prime is 407724487. The reversal of 407724479 is 974427704.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 407724479 - 2⁸ = 407724223 is a prime.

It is a super-3 number, since 3×407724479³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407726479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203862239 + 203862240.

It is an arithmetic number, because the mean of its divisors is an integer number (203862240).

Almost surely, 2^407724479 is an apocalyptic number.

407724479 is a deficient number, since it is larger than the sum of its proper divisors (1).

407724479 is an equidigital number, since it uses as much as digits as its factorization.

407724479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 407724479 is about 20192.1885638977. The cubic root of 407724479 is about 741.5189635984.

The spelling of 407724479 in words is "four hundred seven million, seven hundred twenty-four thousand, four hundred seventy-nine".