671824830 has 16 divisors (see below), whose sum is σ = 1612379664. Its totient is φ = 179153280.

The previous prime is 671824807. The next prime is 671824837. The reversal of 671824830 is 38428176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671824837) 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, 11197051 + ... + 11197110.

It is an arithmetic number, because the mean of its divisors is an integer number (100773729).

Almost surely, 2^671824830 is an apocalyptic number.

671824830 is an abundant number, since it is smaller than the sum of its proper divisors (940554834).

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

671824830 is a wasteful number, since it uses less digits than its factorization.

671824830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22394171.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 671824830 is about 25919.5839086973. The cubic root of 671824830 is about 875.8277141843.

The spelling of 671824830 in words is "six hundred seventy-one million, eight hundred twenty-four thousand, eight hundred thirty".