1672040892 has 12 divisors (see below), whose sum is σ = 3901428776. Its totient is φ = 557346960.

The previous prime is 1672040879. The next prime is 1672040917. The reversal of 1672040892 is 2980402761.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1672040892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69668359 + ... + 69668382.

Almost surely, 2^1672040892 is an apocalyptic number.

1672040892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1672040892 is an abundant number, since it is smaller than the sum of its proper divisors (2229387884).

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

1672040892 is a wasteful number, since it uses less digits than its factorization.

1672040892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139336748 (or 139336746 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1672040892 is about 40890.5966207391. The cubic root of 1672040892 is about 1186.9041039355.

The spelling of 1672040892 in words is "one billion, six hundred seventy-two million, forty thousand, eight hundred ninety-two".