724134864 has 20 divisors (see below), whose sum is σ = 1870681856. Its totient is φ = 241378272.

The previous prime is 724134863. The next prime is 724134889. The reversal of 724134864 is 468431427.

724134864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724134863) 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, 7543024 + ... + 7543119.

Almost surely, 2^724134864 is an apocalyptic number.

It is an amenable number.

724134864 is an abundant number, since it is smaller than the sum of its proper divisors (1146546992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724134864 is a wasteful number, since it uses less digits than its factorization.

724134864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15086154 (or 15086148 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 724134864 is about 26909.7540679955. The cubic root of 724134864 is about 897.9934159897.

It can be divided in two parts, 72413 and 4864, that added together give a palindrome (77277).

The spelling of 724134864 in words is "seven hundred twenty-four million, one hundred thirty-four thousand, eight hundred sixty-four".