7001325638 has 16 divisors (see below), whose sum is σ = 10869234480. Its totient is φ = 3378361056.

The previous prime is 7001325631. The next prime is 7001325701. The reversal of 7001325638 is 8365231007.

It is a super-2 number, since 2×7001325638² = 98037121378632214088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7001325598 and 7001325607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7001325631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101081 + ... + 155627.

It is an arithmetic number, because the mean of its divisors is an integer number (679327155).

Almost surely, 2^7001325638 is an apocalyptic number.

7001325638 is a deficient number, since it is larger than the sum of its proper divisors (3867908842).

7001325638 is a wasteful number, since it uses less digits than its factorization.

7001325638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56791.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 7001325638 is about 83673.9244806887. The cubic root of 7001325638 is about 1913.0519301156.

The spelling of 7001325638 in words is "seven billion, one million, three hundred twenty-five thousand, six hundred thirty-eight".