7472638 has 8 divisors (see below), whose sum is σ = 11243232. Its totient is φ = 3724896.

The previous prime is 7472627. The next prime is 7472659. The reversal of 7472638 is 8362747.

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

It is a junction number, because it is equal to n+sod(n) for n = 7472597 and 7472606.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4870 + ... + 6217.

It is an arithmetic number, because the mean of its divisors is an integer number (1405404).

Almost surely, 2^7472638 is an apocalyptic number.

7472638 is a deficient number, since it is larger than the sum of its proper divisors (3770594).

7472638 is a wasteful number, since it uses less digits than its factorization.

7472638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11426.

The product of its digits is 56448, while the sum is 37.

The square root of 7472638 is about 2733.6126280071. The cubic root of 7472638 is about 195.5050506389.

The spelling of 7472638 in words is "seven million, four hundred seventy-two thousand, six hundred thirty-eight".