70213580 has 12 divisors (see below), whose sum is σ = 147448560. Its totient is φ = 28085424.

The previous prime is 70213529. The next prime is 70213603. The reversal of 70213580 is 8531207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755320 + ... + 1755359.

It is an arithmetic number, because the mean of its divisors is an integer number (12287380).

Almost surely, 2^70213580 is an apocalyptic number.

It is an amenable number.

70213580 is an abundant number, since it is smaller than the sum of its proper divisors (77234980).

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

70213580 is a wasteful number, since it uses less digits than its factorization.

70213580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510688 (or 3510686 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70213580 is about 8379.3543904050. The cubic root of 70213580 is about 412.5472587422.

Adding to 70213580 its reverse (8531207), we get a palindrome (78744787).

It can be divided in two parts, 7021 and 3580, that added together give a palindrome (10601).

The spelling of 70213580 in words is "seventy million, two hundred thirteen thousand, five hundred eighty".