7425642 has 32 divisors (see below), whose sum is σ = 17713152. Its totient is φ = 2029104.

The previous prime is 7425631. The next prime is 7425661. The reversal of 7425642 is 2465247.

It is a super-2 number, since 2×7425642² = 110280318224328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2878 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (553536).

Almost surely, 2^7425642 is an apocalyptic number.

7425642 is an abundant number, since it is smaller than the sum of its proper divisors (10287510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7425642 is a wasteful number, since it uses less digits than its factorization.

7425642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722.

The product of its digits is 13440, while the sum is 30.

The square root of 7425642 is about 2725.0031192643. The cubic root of 7425642 is about 195.0943396246.

The spelling of 7425642 in words is "seven million, four hundred twenty-five thousand, six hundred forty-two".