671696370 has 48 divisors (see below), whose sum is σ = 1822347072. Its totient is φ = 171330720.

The previous prime is 671696357. The next prime is 671696371. The reversal of 671696370 is 73696176.

671696370 is a `hidden beast` number, since 6 + 7 + 1 + 6 + 9 + 637 + 0 = 666.

671696370 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (671696371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160176 + ... + 164315.

It is an arithmetic number, because the mean of its divisors is an integer number (37965564).

Almost surely, 2^671696370 is an apocalyptic number.

671696370 is an abundant number, since it is smaller than the sum of its proper divisors (1150650702).

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

671696370 is a wasteful number, since it uses less digits than its factorization.

671696370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324527 (or 324524 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 671696370 is about 25917.1057411895. The cubic root of 671696370 is about 875.7718881243.

The spelling of 671696370 in words is "six hundred seventy-one million, six hundred ninety-six thousand, three hundred seventy".