7872916 has 12 divisors (see below), whose sum is σ = 14502880. Its totient is φ = 3729240.

The previous prime is 7872883. The next prime is 7872919. The reversal of 7872916 is 6192787.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872919) 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, 51720 + ... + 51871.

Almost surely, 2^7872916 is an apocalyptic number.

7872916 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7872916 is a deficient number, since it is larger than the sum of its proper divisors (6629964).

7872916 is a wasteful number, since it uses less digits than its factorization.

7872916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103614 (or 103612 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 7872916 is about 2805.8717005594. The cubic root of 7872916 is about 198.9353088883.

The spelling of 7872916 in words is "seven million, eight hundred seventy-two thousand, nine hundred sixteen".