724420367 has 4 divisors (see below), whose sum is σ = 790276776. Its totient is φ = 658563960.

The previous prime is 724420363. The next prime is 724420399. The reversal of 724420367 is 763024427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 724420367 - 2² = 724420363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724420363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32928188 + ... + 32928209.

It is an arithmetic number, because the mean of its divisors is an integer number (197569194).

Almost surely, 2^724420367 is an apocalyptic number.

724420367 is a deficient number, since it is larger than the sum of its proper divisors (65856409).

724420367 is a wasteful number, since it uses less digits than its factorization.

724420367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65856408.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 724420367 is about 26915.0583688760. The cubic root of 724420367 is about 898.1114170878. Note that the first 3 decimals are identical.

The spelling of 724420367 in words is "seven hundred twenty-four million, four hundred twenty thousand, three hundred sixty-seven".