127740378 has 16 divisors (see below), whose sum is σ = 256033440. Its totient is φ = 42488016.

The previous prime is 127740377. The next prime is 127740383. The reversal of 127740378 is 873047721.

It is not an unprimeable number, because it can be changed into a prime (127740377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19993 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (16002090).

Almost surely, 2^127740378 is an apocalyptic number.

127740378 is an abundant number, since it is smaller than the sum of its proper divisors (128293062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127740378 is a wasteful number, since it uses less digits than its factorization.

127740378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46061.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 127740378 is about 11302.2288952224. The cubic root of 127740378 is about 503.6274568053.

The spelling of 127740378 in words is "one hundred twenty-seven million, seven hundred forty thousand, three hundred seventy-eight".