127564730 has 8 divisors (see below), whose sum is σ = 229616532. Its totient is φ = 51025888.

The previous prime is 127564729. The next prime is 127564733. The reversal of 127564730 is 37465721.

It can be written as a sum of positive squares in 2 ways, for example, as 119617969 + 7946761 = 10937^2 + 2819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127564733) 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, 6378227 + ... + 6378246.

Almost surely, 2^127564730 is an apocalyptic number.

127564730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127564730 is a deficient number, since it is larger than the sum of its proper divisors (102051802).

127564730 is a wasteful number, since it uses less digits than its factorization.

127564730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756480.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 127564730 is about 11294.4557195112. The cubic root of 127564730 is about 503.3965151256.

Subtracting from 127564730 its reverse (37465721), we obtain a palindrome (90099009).

The spelling of 127564730 in words is "one hundred twenty-seven million, five hundred sixty-four thousand, seven hundred thirty".