724042799 has 4 divisors (see below), whose sum is σ = 729251880. Its totient is φ = 718833720.

The previous prime is 724042757. The next prime is 724042859. The reversal of 724042799 is 997240427.

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 724042799 - 2¹⁶ = 723977263 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 (724042499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604332 + ... + 2604609.

It is an arithmetic number, because the mean of its divisors is an integer number (182312970).

Almost surely, 2^724042799 is an apocalyptic number.

724042799 is a deficient number, since it is larger than the sum of its proper divisors (5209081).

724042799 is a wasteful number, since it uses less digits than its factorization.

724042799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209080.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 724042799 is about 26908.0433885483. The cubic root of 724042799 is about 897.9553580386.

The spelling of 724042799 in words is "seven hundred twenty-four million, forty-two thousand, seven hundred ninety-nine".