27902772 has 96 divisors (see below), whose sum is σ = 77414400. Its totient is φ = 8670816.

The previous prime is 27902767. The next prime is 27902813. The reversal of 27902772 is 27720972.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116629 + ... + 116867.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 2^27902772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27902772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38707200).

27902772 is an abundant number, since it is smaller than the sum of its proper divisors (49511628).

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

27902772 is a wasteful number, since it uses less digits than its factorization.

27902772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 314 counting only the distinct ones).

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

The square root of 27902772 is about 5282.3074503478. The cubic root of 27902772 is about 303.3070116301.

The spelling of 27902772 in words is "twenty-seven million, nine hundred two thousand, seven hundred seventy-two".