70260220 has 24 divisors (see below), whose sum is σ = 149751504. Its totient is φ = 27684096.

The previous prime is 70260217. The next prime is 70260241. The reversal of 70260220 is 2206207.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24877 + ... + 27556.

It is an arithmetic number, because the mean of its divisors is an integer number (6239646).

Almost surely, 2^70260220 is an apocalyptic number.

It is an amenable number.

70260220 is an abundant number, since it is smaller than the sum of its proper divisors (79491284).

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

70260220 is a wasteful number, since it uses less digits than its factorization.

70260220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52509 (or 52507 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70260220 is about 8382.1369590338. The cubic root of 70260220 is about 412.6385845956.

Adding to 70260220 its reverse (2206207), we get a palindrome (72466427).

The spelling of 70260220 in words is "seventy million, two hundred sixty thousand, two hundred twenty".