7494945 has 8 divisors (see below), whose sum is σ = 11991936. Its totient is φ = 3997296.

The previous prime is 7494919. The next prime is 7494953. The reversal of 7494945 is 5494947.

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

It is not a de Polignac number, because 7494945 - 2⁶ = 7494881 is a prime.

It is an alternating number because its digits alternate between odd and even.

7494945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7494897 and 7494906.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 249817 + ... + 249846.

It is an arithmetic number, because the mean of its divisors is an integer number (1498992).

Almost surely, 2^7494945 is an apocalyptic number.

It is an amenable number.

7494945 is a deficient number, since it is larger than the sum of its proper divisors (4496991).

7494945 is a wasteful number, since it uses less digits than its factorization.

7494945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499671.

The product of its digits is 181440, while the sum is 42.

The square root of 7494945 is about 2737.6897194532. The cubic root of 7494945 is about 195.6993951614.

The spelling of 7494945 in words is "seven million, four hundred ninety-four thousand, nine hundred forty-five".