1672692828 has 12 divisors (see below), whose sum is σ = 3902949960. Its totient is φ = 557564272.

The previous prime is 1672692821. The next prime is 1672692829. The reversal of 1672692828 is 8282962761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672692821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69695523 + ... + 69695546.

It is an arithmetic number, because the mean of its divisors is an integer number (325245830).

Almost surely, 2^1672692828 is an apocalyptic number.

It is an amenable number.

1672692828 is an abundant number, since it is smaller than the sum of its proper divisors (2230257132).

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

1672692828 is a wasteful number, since it uses less digits than its factorization.

1672692828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139391076 (or 139391074 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 1672692828 is about 40898.5675543777. The cubic root of 1672692828 is about 1187.0583435780.

The spelling of 1672692828 in words is "one billion, six hundred seventy-two million, six hundred ninety-two thousand, eight hundred twenty-eight".