7870434 has 32 divisors (see below), whose sum is σ = 18494784. Its totient is φ = 2201280.

The previous prime is 7870433. The next prime is 7870453. The reversal of 7870434 is 4340787.

It is a happy number.

7870434 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 7870395 and 7870404.

It is not an unprimeable number, because it can be changed into a prime (7870433) 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, 3729 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (577962).

Almost surely, 2^7870434 is an apocalyptic number.

7870434 is an abundant number, since it is smaller than the sum of its proper divisors (10624350).

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

7870434 is a wasteful number, since it uses less digits than its factorization.

7870434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 7870434 is about 2805.4293789008. The cubic root of 7870434 is about 198.9144013731.

Adding to 7870434 its reverse (4340787), we get a palindrome (12211221).

The spelling of 7870434 in words is "seven million, eight hundred seventy thousand, four hundred thirty-four".