724064670 has 168 divisors, whose sum is σ = 2274235704. Its totient is φ = 165418848.

The previous prime is 724064669. The next prime is 724064681. The reversal of 724064670 is 76460427.

724064670 is a `hidden beast` number, since 7 + 2 + 4 + 0 + 646 + 7 + 0 = 666.

724064670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 356197 + ... + 358223.

Almost surely, 2^724064670 is an apocalyptic number.

724064670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 724064670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137117852).

724064670 is an abundant number, since it is smaller than the sum of its proper divisors (1550171034).

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

724064670 is a wasteful number, since it uses less digits than its factorization.

724064670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 724064670 is about 26908.4497881242. The cubic root of 724064670 is about 897.9643993935.

The spelling of 724064670 in words is "seven hundred twenty-four million, sixty-four thousand, six hundred seventy".