8121792 has 56 divisors (see below), whose sum is σ = 24562816. Its totient is φ = 2320128.

The previous prime is 8121749. The next prime is 8121793. The reversal of 8121792 is 2971218.

It is a tau number, because it is divible by the number of its divisors (56).

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8121793) 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, 1678 + ... + 4365.

Almost surely, 2^8121792 is an apocalyptic number.

It is an amenable number.

8121792 is an abundant number, since it is smaller than the sum of its proper divisors (16441024).

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

8121792 is a wasteful number, since it uses less digits than its factorization.

8121792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065 (or 6055 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 8121792 is about 2849.8757867669. The cubic root of 8121792 is about 201.0098260091.

The spelling of 8121792 in words is "eight million, one hundred twenty-one thousand, seven hundred ninety-two".