27650061 has 6 divisors (see below), whose sum is σ = 39938990. Its totient is φ = 18433368.

The previous prime is 27650057. The next prime is 27650099. The reversal of 27650061 is 16005672.

27650061 is a `hidden beast` number, since 2 + 7 + 650 + 0 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 8122500 = 4419^2 + 2850^2 .

It is not a de Polignac number, because 27650061 - 2² = 27650057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27650461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1536106 + ... + 1536123.

Almost surely, 2^27650061 is an apocalyptic number.

It is an amenable number.

27650061 is a deficient number, since it is larger than the sum of its proper divisors (12288929).

27650061 is a wasteful number, since it uses less digits than its factorization.

27650061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072235 (or 3072232 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 27650061 is about 5258.3325303750. The cubic root of 27650061 is about 302.3885653798.

The spelling of 27650061 in words is "twenty-seven million, six hundred fifty thousand, sixty-one".