70587712 has 56 divisors (see below), whose sum is σ = 154991816. Its totient is φ = 31684608.

The previous prime is 70587709. The next prime is 70587719. The reversal of 70587712 is 21778507.

It can be written as a sum of positive squares in 4 ways, for example, as 6843456 + 63744256 = 2616^2 + 7984^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70587719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29638 + ... + 31930.

It is an arithmetic number, because the mean of its divisors is an integer number (2767711).

Almost surely, 2^70587712 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 70587712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77495908).

70587712 is an abundant number, since it is smaller than the sum of its proper divisors (84404104).

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

70587712 is a wasteful number, since it uses less digits than its factorization.

70587712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 70587712 is about 8401.6493618813. The cubic root of 70587712 is about 413.2787117092.

The spelling of 70587712 in words is "seventy million, five hundred eighty-seven thousand, seven hundred twelve".