27722072 has 16 divisors (see below), whose sum is σ = 59404560. Its totient is φ = 11880864.

The previous prime is 27722069. The next prime is 27722081. The reversal of 27722072 is 27022772.

It is a congruent number.

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, 247463 + ... + 247574.

It is an arithmetic number, because the mean of its divisors is an integer number (3712785).

Almost surely, 2^27722072 is an apocalyptic number.

It is an amenable number.

27722072 is an abundant number, since it is smaller than the sum of its proper divisors (31682488).

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

27722072 is a wasteful number, since it uses less digits than its factorization.

27722072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495050 (or 495046 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 27722072 is about 5265.1754006870. The cubic root of 27722072 is about 302.6508484254.

The spelling of 27722072 in words is "twenty-seven million, seven hundred twenty-two thousand, seventy-two".