7872860 has 24 divisors (see below), whose sum is σ = 16981440. Its totient is φ = 3063744.

The previous prime is 7872817. The next prime is 7872863. The reversal of 7872860 is 682787.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872863) 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, 4580 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (707560).

Almost surely, 2^7872860 is an apocalyptic number.

It is an amenable number.

7872860 is an abundant number, since it is smaller than the sum of its proper divisors (9108580).

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

7872860 is a wasteful number, since it uses less digits than its factorization.

7872860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685 (or 10683 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 7872860 is about 2805.8617214681. The cubic root of 7872860 is about 198.9348372120.

The spelling of 7872860 in words is "seven million, eight hundred seventy-two thousand, eight hundred sixty".