27772074 has 24 divisors (see below), whose sum is σ = 65643552. Its totient is φ = 8415720.

The previous prime is 27772027. The next prime is 27772079. The reversal of 27772074 is 47027772.

It is a super-2 number, since 2×27772074² = 1542576188522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27772079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69934 + ... + 70329.

It is an arithmetic number, because the mean of its divisors is an integer number (2735148).

Almost surely, 2^27772074 is an apocalyptic number.

27772074 is an abundant number, since it is smaller than the sum of its proper divisors (37871478).

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

27772074 is a wasteful number, since it uses less digits than its factorization.

27772074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140282 (or 140279 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 27772074 is about 5269.9216312959. The cubic root of 27772074 is about 302.8327018156.

It can be divided in two parts, 2777 and 2074, that added together give a triangular number (4851 = T₉₈).

The spelling of 27772074 in words is "twenty-seven million, seven hundred seventy-two thousand, seventy-four".