870731424 has 192 divisors, whose sum is σ = 2714342400. Its totient is φ = 270902016.

The previous prime is 870731419. The next prime is 870731437. The reversal of 870731424 is 424137078.

It is a happy number.

870731424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853987 + ... + 855005.

It is an arithmetic number, because the mean of its divisors is an integer number (14137200).

Almost surely, 2^870731424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870731424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357171200).

870731424 is an abundant number, since it is smaller than the sum of its proper divisors (1843610976).

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

870731424 is a wasteful number, since it uses less digits than its factorization.

870731424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 870731424 is about 29508.1586006311. The cubic root of 870731424 is about 954.9077235110.

The spelling of 870731424 in words is "eight hundred seventy million, seven hundred thirty-one thousand, four hundred twenty-four".