7870234 has 4 divisors (see below), whose sum is σ = 11805354. Its totient is φ = 3935116.

The previous prime is 7870231. The next prime is 7870241. The reversal of 7870234 is 4320787.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 2209 = 2805^2 + 47^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7870196 and 7870205.

It is not an unprimeable number, because it can be changed into a prime (7870231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967557 + ... + 1967560.

Almost surely, 2^7870234 is an apocalyptic number.

7870234 is a deficient number, since it is larger than the sum of its proper divisors (3935120).

7870234 is a wasteful number, since it uses less digits than its factorization.

7870234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935119.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 7870234 is about 2805.3937335069. The cubic root of 7870234 is about 198.9127164505.

The spelling of 7870234 in words is "seven million, eight hundred seventy thousand, two hundred thirty-four".