7872893 has 4 divisors (see below), whose sum is σ = 8997600. Its totient is φ = 6748188.

The previous prime is 7872883. The next prime is 7872919. The reversal of 7872893 is 3982787.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3982787 = 31 ⋅128477.

It is a cyclic number.

It is not a de Polignac number, because 7872893 - 2⁸ = 7872637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872803) 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, 562343 + ... + 562356.

It is an arithmetic number, because the mean of its divisors is an integer number (2249400).

Almost surely, 2^7872893 is an apocalyptic number.

It is an amenable number.

7872893 is a deficient number, since it is larger than the sum of its proper divisors (1124707).

7872893 is a wasteful number, since it uses less digits than its factorization.

7872893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124706.

The product of its digits is 169344, while the sum is 44.

The square root of 7872893 is about 2805.8676020083. The cubic root of 7872893 is about 198.9351151644.

The spelling of 7872893 in words is "seven million, eight hundred seventy-two thousand, eight hundred ninety-three".