7487422 has 4 divisors (see below), whose sum is σ = 11231136. Its totient is φ = 3743710.

The previous prime is 7487419. The next prime is 7487437. The reversal of 7487422 is 2247847.

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

It is a super-2 number, since 2×7487422² = 112122976412168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871854 + ... + 1871857.

It is an arithmetic number, because the mean of its divisors is an integer number (2807784).

Almost surely, 2^7487422 is an apocalyptic number.

7487422 is a deficient number, since it is larger than the sum of its proper divisors (3743714).

7487422 is a wasteful number, since it uses less digits than its factorization.

7487422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743713.

The product of its digits is 25088, while the sum is 34.

The square root of 7487422 is about 2736.3154057966. The cubic root of 7487422 is about 195.6338959300.

The spelling of 7487422 in words is "seven million, four hundred eighty-seven thousand, four hundred twenty-two".