70267220 has 24 divisors (see below), whose sum is σ = 148269408. Its totient is φ = 27972000.

The previous prime is 70267217. The next prime is 70267271. The reversal of 70267220 is 2276207.

It is a self number, because there is not a number n which added to its sum of digits gives 70267220.

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, 4106 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (6177892).

Almost surely, 2^70267220 is an apocalyptic number.

It is an amenable number.

70267220 is an abundant number, since it is smaller than the sum of its proper divisors (78002188).

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

70267220 is a wasteful number, since it uses less digits than its factorization.

70267220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16871 (or 16869 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 70267220 is about 8382.5545032526. The cubic root of 70267220 is about 412.6522878176.

The spelling of 70267220 in words is "seventy million, two hundred sixty-seven thousand, two hundred twenty".