1672294128 has 40 divisors (see below), whose sum is σ = 4323235200. Its totient is φ = 557025984.

The previous prime is 1672294121. The next prime is 1672294133. The reversal of 1672294128 is 8214922761.

It is a self number, because there is not a number n which added to its sum of digits gives 1672294128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672294121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58093 + ... + 81971.

It is an arithmetic number, because the mean of its divisors is an integer number (108080880).

Almost surely, 2^1672294128 is an apocalyptic number.

It is an amenable number.

1672294128 is an abundant number, since it is smaller than the sum of its proper divisors (2650941072).

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

1672294128 is a wasteful number, since it uses less digits than its factorization.

1672294128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25349 (or 25343 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 1672294128 is about 40893.6930100474. The cubic root of 1672294128 is about 1186.9640210656.

The spelling of 1672294128 in words is "one billion, six hundred seventy-two million, two hundred ninety-four thousand, one hundred twenty-eight".