27970722 has 24 divisors (see below), whose sum is σ = 65265564. Its totient is φ = 8606304.

The previous prime is 27970699. The next prime is 27970739. The reversal of 27970722 is 22707972.

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 1252161 = 5169^2 + 1119^2 .

It is a super-2 number, since 2×27970722² = 1564722578402568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59533 + ... + 60000.

Almost surely, 2^27970722 is an apocalyptic number.

27970722 is an abundant number, since it is smaller than the sum of its proper divisors (37294842).

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

27970722 is a wasteful number, since it uses less digits than its factorization.

27970722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119554 (or 119551 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 27970722 is about 5288.7353875950. The cubic root of 27970722 is about 303.5530206904.

The spelling of 27970722 in words is "twenty-seven million, nine hundred seventy thousand, seven hundred twenty-two".