27190061 has 4 divisors (see below), whose sum is σ = 27822432. Its totient is φ = 26557692.

The previous prime is 27190057. The next prime is 27190087. The reversal of 27190061 is 16009172.

27190061 = T₁₁₀₃ + T₁₁₀₄ + ... + T₁₁₄₅.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27190061 - 2² = 27190057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27190061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27199061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316121 + ... + 316206.

It is an arithmetic number, because the mean of its divisors is an integer number (6955608).

Almost surely, 2^27190061 is an apocalyptic number.

It is an amenable number.

27190061 is a deficient number, since it is larger than the sum of its proper divisors (632371).

27190061 is an equidigital number, since it uses as much as digits as its factorization.

27190061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632370.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 27190061 is about 5214.4089789736. The cubic root of 27190061 is about 300.7022843358.

The spelling of 27190061 in words is "twenty-seven million, one hundred ninety thousand, sixty-one".