671094942 has 32 divisors (see below), whose sum is σ = 1535016192. Its totient is φ = 191605824.

The previous prime is 671094917. The next prime is 671094959. The reversal of 671094942 is 249490176.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 671094894 and 671094903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64773 + ... + 74415.

It is an arithmetic number, because the mean of its divisors is an integer number (47969256).

Almost surely, 2^671094942 is an apocalyptic number.

671094942 is an abundant number, since it is smaller than the sum of its proper divisors (863921250).

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

671094942 is a wasteful number, since it uses less digits than its factorization.

671094942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 671094942 is about 25905.5002267858. The cubic root of 671094942 is about 875.5104252367.

The spelling of 671094942 in words is "six hundred seventy-one million, ninety-four thousand, nine hundred forty-two".