7864473 has 8 divisors (see below), whose sum is σ = 10502848. Its totient is φ = 5234544.

The previous prime is 7864471. The next prime is 7864477. The reversal of 7864473 is 3744687.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7864473 - 2¹ = 7864471 is a prime.

It is a d-powerful number, because it can be written as 7 + 8⁷ + 6 + 4³ + 4⁴ + 7⁸ + 3⁷ .

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (7864471) 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, 540 + ... + 4002.

It is an arithmetic number, because the mean of its divisors is an integer number (1312856).

Almost surely, 2^7864473 is an apocalyptic number.

It is an amenable number.

7864473 is a deficient number, since it is larger than the sum of its proper divisors (2638375).

7864473 is a wasteful number, since it uses less digits than its factorization.

7864473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223.

The product of its digits is 112896, while the sum is 39.

The square root of 7864473 is about 2804.3667734446. The cubic root of 7864473 is about 198.8641699956.

Subtracting from 7864473 its product of digits (112896), we obtain a palindrome (7751577).

The spelling of 7864473 in words is "seven million, eight hundred sixty-four thousand, four hundred seventy-three".