7830474 has 16 divisors (see below), whose sum is σ = 15808608. Its totient is φ = 2585552.

The previous prime is 7830457. The next prime is 7830481. The reversal of 7830474 is 4740387.

It is a happy number.

It is a super-2 number, since 2×7830474² = 122632646129352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5457 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (988038).

Almost surely, 2^7830474 is an apocalyptic number.

7830474 is an abundant number, since it is smaller than the sum of its proper divisors (7978134).

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

7830474 is a wasteful number, since it uses less digits than its factorization.

7830474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12309.

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

The square root of 7830474 is about 2798.2984115351. The cubic root of 7830474 is about 198.5771853283.

The spelling of 7830474 in words is "seven million, eight hundred thirty thousand, four hundred seventy-four".