27152738 has 4 divisors (see below), whose sum is σ = 40729110. Its totient is φ = 13576368.

The previous prime is 27152731. The next prime is 27152753. The reversal of 27152738 is 83725172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18550249 + 8602489 = 4307^2 + 2933^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27152698 and 27152707.

It is not an unprimeable number, because it can be changed into a prime (27152731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6788183 + ... + 6788186.

Almost surely, 2^27152738 is an apocalyptic number.

27152738 is a deficient number, since it is larger than the sum of its proper divisors (13576372).

27152738 is a wasteful number, since it uses less digits than its factorization.

27152738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13576371.

The product of its digits is 23520, while the sum is 35.

The square root of 27152738 is about 5210.8289167847. The cubic root of 27152738 is about 300.5646329284.

The spelling of 27152738 in words is "twenty-seven million, one hundred fifty-two thousand, seven hundred thirty-eight".