7840474 has 8 divisors (see below), whose sum is σ = 11936448. Its totient is φ = 3861660.

The previous prime is 7840439. The next prime is 7840499. The reversal of 7840474 is 4740487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7840474² = 122946065089352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29122 + ... + 29389.

It is an arithmetic number, because the mean of its divisors is an integer number (1492056).

Almost surely, 2^7840474 is an apocalyptic number.

7840474 is a deficient number, since it is larger than the sum of its proper divisors (4095974).

7840474 is a wasteful number, since it uses less digits than its factorization.

7840474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58580.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 7840474 is about 2800.0846415778. The cubic root of 7840474 is about 198.6616811555.

The spelling of 7840474 in words is "seven million, eight hundred forty thousand, four hundred seventy-four".