7009639725 has 24 divisors (see below), whose sum is σ = 12642842592. Its totient is φ = 3398612800.

The previous prime is 7009639669. The next prime is 7009639729. The reversal of 7009639725 is 5279369007.

It is not a de Polignac number, because 7009639725 - 2¹⁹ = 7009115437 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7009639729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4247442 + ... + 4249091.

It is an arithmetic number, because the mean of its divisors is an integer number (526785108).

Almost surely, 2^7009639725 is an apocalyptic number.

7009639725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7009639725 is a deficient number, since it is larger than the sum of its proper divisors (5633202867).

7009639725 is a wasteful number, since it uses less digits than its factorization.

7009639725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496557 (or 8496552 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 7009639725 is about 83723.5912094076. The cubic root of 7009639725 is about 1913.8088814562.

The spelling of 7009639725 in words is "seven billion, nine million, six hundred thirty-nine thousand, seven hundred twenty-five".