7864374 has 32 divisors (see below), whose sum is σ = 18418176. Its totient is φ = 2191680.

The previous prime is 7864361. The next prime is 7864379. The reversal of 7864374 is 4734687.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7864379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (575568).

Almost surely, 2^7864374 is an apocalyptic number.

7864374 is an abundant number, since it is smaller than the sum of its proper divisors (10553802).

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

7864374 is a wasteful number, since it uses less digits than its factorization.

7864374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620.

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

The square root of 7864374 is about 2804.3491223455. The cubic root of 7864374 is about 198.8633355410.

The spelling of 7864374 in words is "seven million, eight hundred sixty-four thousand, three hundred seventy-four".