7490847 has 32 divisors (see below), whose sum is σ = 12837888. Its totient is φ = 3776256.

The previous prime is 7490839. The next prime is 7490851. The reversal of 7490847 is 7480947.

It is not a de Polignac number, because 7490847 - 2³ = 7490839 is a prime.

It is a super-2 number, since 2×7490847² = 112225577554818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

7490847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490827) 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 31 ways as a sum of consecutive naturals, for example, 5683 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (401184).

Almost surely, 2^7490847 is an apocalyptic number.

7490847 is a deficient number, since it is larger than the sum of its proper divisors (5347041).

7490847 is a wasteful number, since it uses less digits than its factorization.

7490847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 7490847 is about 2736.9411758385. The cubic root of 7490847 is about 195.6637212358.

The spelling of 7490847 in words is "seven million, four hundred ninety thousand, eight hundred forty-seven".