7145670 has 48 divisors (see below), whose sum is σ = 19953648. Its totient is φ = 1632960.

The previous prime is 7145669. The next prime is 7145681. The reversal of 7145670 is 765417.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961 + ... + 3900.

It is an arithmetic number, because the mean of its divisors is an integer number (415701).

Almost surely, 2^7145670 is an apocalyptic number.

7145670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7145670 is an abundant number, since it is smaller than the sum of its proper divisors (12807978).

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

7145670 is a wasteful number, since it uses less digits than its factorization.

7145670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 7145670 is about 2673.1386047117. The cubic root of 7145670 is about 192.6109553178.

The spelling of 7145670 in words is "seven million, one hundred forty-five thousand, six hundred seventy".