7487494 has 12 divisors (see below), whose sum is σ = 13065084. Its totient is φ = 3208884.

The previous prime is 7487453. The next prime is 7487503. The reversal of 7487494 is 4947847.

It is a happy number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7487494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38104 + ... + 38299.

It is an arithmetic number, because the mean of its divisors is an integer number (1088757).

Almost surely, 2^7487494 is an apocalyptic number.

7487494 is a deficient number, since it is larger than the sum of its proper divisors (5577590).

7487494 is a wasteful number, since it uses less digits than its factorization.

7487494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76419 (or 76412 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 7487494 is about 2736.3285621431. The cubic root of 7487494 is about 195.6345230081.

The spelling of 7487494 in words is "seven million, four hundred eighty-seven thousand, four hundred ninety-four".