7474394 has 4 divisors (see below), whose sum is σ = 11211594. Its totient is φ = 3737196.

The previous prime is 7474393. The next prime is 7474409. The reversal of 7474394 is 4934747.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5583769 + 1890625 = 2363^2 + 1375^2 .

It is not an unprimeable number, because it can be changed into a prime (7474393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1868597 + ... + 1868600.

Almost surely, 2^7474394 is an apocalyptic number.

7474394 is a deficient number, since it is larger than the sum of its proper divisors (3737200).

7474394 is a wasteful number, since it uses less digits than its factorization.

7474394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737199.

The product of its digits is 84672, while the sum is 38.

The square root of 7474394 is about 2733.9337958334. The cubic root of 7474394 is about 195.5203633919.

The spelling of 7474394 in words is "seven million, four hundred seventy-four thousand, three hundred ninety-four".