7940474 has 8 divisors (see below), whose sum is σ = 12428640. Its totient is φ = 3797596.

The previous prime is 7940473. The next prime is 7940483. The reversal of 7940474 is 4740497.

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

It is a super-2 number, since 2×7940474² = 126102254689352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7940473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86264 + ... + 86355.

It is an arithmetic number, because the mean of its divisors is an integer number (1553580).

Almost surely, 2^7940474 is an apocalyptic number.

7940474 is a deficient number, since it is larger than the sum of its proper divisors (4488166).

7940474 is a wasteful number, since it uses less digits than its factorization.

7940474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172644.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 7940474 is about 2817.8846676186. The cubic root of 7940474 is about 199.5027145608.

The spelling of 7940474 in words is "seven million, nine hundred forty thousand, four hundred seventy-four".