7872402 has 16 divisors (see below), whose sum is σ = 15773472. Its totient is φ = 2619360.

The previous prime is 7872391. The next prime is 7872413. The reversal of 7872402 is 2042787.

7872402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7872391) and next prime (7872413).

It is a self number, because there is not a number n which added to its sum of digits gives 7872402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4377 + ... + 5907.

It is an arithmetic number, because the mean of its divisors is an integer number (985842).

Almost surely, 2^7872402 is an apocalyptic number.

7872402 is an abundant number, since it is smaller than the sum of its proper divisors (7901070).

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

7872402 is a wasteful number, since it uses less digits than its factorization.

7872402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 7872402 is about 2805.7801054252. The cubic root of 7872402 is about 198.9309794898.

The spelling of 7872402 in words is "seven million, eight hundred seventy-two thousand, four hundred two".