127673840 has 40 divisors (see below), whose sum is σ = 339249120. Its totient is φ = 43773696.

The previous prime is 127673839. The next prime is 127673867. The reversal of 127673840 is 48376721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 127673794 and 127673803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113435 + ... + 114554.

It is an arithmetic number, because the mean of its divisors is an integer number (8481228).

Almost surely, 2^127673840 is an apocalyptic number.

127673840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127673840 is an abundant number, since it is smaller than the sum of its proper divisors (211575280).

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

127673840 is a wasteful number, since it uses less digits than its factorization.

127673840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228009 (or 228003 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 127673840 is about 11299.2849331274. The cubic root of 127673840 is about 503.5399976838.

The spelling of 127673840 in words is "one hundred twenty-seven million, six hundred seventy-three thousand, eight hundred forty".