1964082672 has 30 divisors (see below), whose sum is σ = 5496703992. Its totient is φ = 654694176.

The previous prime is 1964082661. The next prime is 1964082707. The reversal of 1964082672 is 2762804691.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6819588 + ... + 6819875.

Almost surely, 2^1964082672 is an apocalyptic number.

1964082672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1964082672 is an abundant number, since it is smaller than the sum of its proper divisors (3532621320).

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

1964082672 is a wasteful number, since it uses less digits than its factorization.

1964082672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13639477 (or 13639468 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1964082672 is about 44317.9723362881. The cubic root of 1964082672 is about 1252.3332786321. Note that the first 3 decimals are identical.

The spelling of 1964082672 in words is "one billion, nine hundred sixty-four million, eighty-two thousand, six hundred seventy-two".