70322580 has 120 divisors (see below), whose sum is σ = 223689312. Its totient is φ = 18491328.

The previous prime is 70322543. The next prime is 70322599. The reversal of 70322580 is 8522307.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134199 + ... + 134721.

Almost surely, 2^70322580 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 70322580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111844656).

70322580 is an abundant number, since it is smaller than the sum of its proper divisors (153366732).

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

70322580 is a wasteful number, since it uses less digits than its factorization.

70322580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70322580 is about 8385.8559491563. The cubic root of 70322580 is about 412.7606286815.

Adding to 70322580 its reverse (8522307), we get a palindrome (78844887).

The spelling of 70322580 in words is "seventy million, three hundred twenty-two thousand, five hundred eighty".