671074425 has 72 divisors (see below), whose sum is σ = 1380465216. Its totient is φ = 305262720.

The previous prime is 671074409. The next prime is 671074447. The reversal of 671074425 is 524470176.

It is not a de Polignac number, because 671074425 - 2⁴ = 671074409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 671074425.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 356587 + ... + 358463.

It is an arithmetic number, because the mean of its divisors is an integer number (19173128).

Almost surely, 2^671074425 is an apocalyptic number.

It is an amenable number.

671074425 is an abundant number, since it is smaller than the sum of its proper divisors (709390791).

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

671074425 is a wasteful number, since it uses less digits than its factorization.

671074425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 671074425 is about 25905.1042267735. The cubic root of 671074425 is about 875.5015029867.

The spelling of 671074425 in words is "six hundred seventy-one million, seventy-four thousand, four hundred twenty-five".