724742254 has 4 divisors (see below), whose sum is σ = 1087113384. Its totient is φ = 362371126.

The previous prime is 724742243. The next prime is 724742267. The reversal of 724742254 is 452247427.

724742254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452247427 = 6779 ⋅66713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181185562 + ... + 181185565.

It is an arithmetic number, because the mean of its divisors is an integer number (271778346).

Almost surely, 2^724742254 is an apocalyptic number.

724742254 is a deficient number, since it is larger than the sum of its proper divisors (362371130).

724742254 is a wasteful number, since it uses less digits than its factorization.

724742254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362371129.

The product of its digits is 125440, while the sum is 37.

The square root of 724742254 is about 26921.0373871439. The cubic root of 724742254 is about 898.2444188621.

The spelling of 724742254 in words is "seven hundred twenty-four million, seven hundred forty-two thousand, two hundred fifty-four".