7025642797 has 4 divisors (see below), whose sum is σ = 7025880700. Its totient is φ = 7025404896.

The previous prime is 7025642783. The next prime is 7025642807. The reversal of 7025642797 is 7972465207.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3482298121 + 3543344676 = 59011^2 + 59526^2 .

It is a cyclic number.

It is not a de Polignac number, because 7025642797 - 2¹¹ = 7025640749 is a prime.

It is a super-2 number, since 2×7025642797² = 98719313422075966418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7025642797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7025642707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67128 + ... + 136225.

It is an arithmetic number, because the mean of its divisors is an integer number (1756470175).

Almost surely, 2^7025642797 is an apocalyptic number.

It is an amenable number.

7025642797 is a deficient number, since it is larger than the sum of its proper divisors (237903).

7025642797 is a wasteful number, since it uses less digits than its factorization.

7025642797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237902.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 7025642797 is about 83819.1075889024. The cubic root of 7025642797 is about 1915.2641889535.

The spelling of 7025642797 in words is "seven billion, twenty-five million, six hundred forty-two thousand, seven hundred ninety-seven".