27142770730 has 32 divisors (see below), whose sum is σ = 49204328400. Its totient is φ = 10780024320.

The previous prime is 27142770709. The next prime is 27142770731. The reversal of 27142770730 is 3707724172.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1140885729 + 26001885001 = 33777^2 + 161251^2 .

It is not an unprimeable number, because it can be changed into a prime (27142770731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426350 + ... + 2437510.

Almost surely, 2^27142770730 is an apocalyptic number.

27142770730 is a deficient number, since it is larger than the sum of its proper divisors (22061557670).

27142770730 is a wasteful number, since it uses less digits than its factorization.

27142770730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12874.

The product of its (nonzero) digits is 115248, while the sum is 40.

The spelling of 27142770730 in words is "twenty-seven billion, one hundred forty-two million, seven hundred seventy thousand, seven hundred thirty".