7494747 has 8 divisors (see below), whose sum is σ = 10761744. Its totient is φ = 4612128.

The previous prime is 7494743. The next prime is 7494749. The reversal of 7494747 is 7474947.

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

It is not a de Polignac number, because 7494747 - 2² = 7494743 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 7494699 and 7494708.

It is not an unprimeable number, because it can be changed into a prime (7494743) 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 7 ways as a sum of consecutive naturals, for example, 96048 + ... + 96125.

It is an arithmetic number, because the mean of its divisors is an integer number (1345218).

Almost surely, 2^7494747 is an apocalyptic number.

7494747 is a deficient number, since it is larger than the sum of its proper divisors (3266997).

7494747 is a wasteful number, since it uses less digits than its factorization.

7494747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192189.

The product of its digits is 197568, while the sum is 42.

The square root of 7494747 is about 2737.6535573370. The cubic root of 7494747 is about 195.6976718300.

The spelling of 7494747 in words is "seven million, four hundred ninety-four thousand, seven hundred forty-seven".