7097527640 has 32 divisors (see below), whose sum is σ = 18250786080. Its totient is φ = 2433437952.

The previous prime is 7097527637. The next prime is 7097527667. The reversal of 7097527640 is 467257907.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12673877 + ... + 12674436.

It is an arithmetic number, because the mean of its divisors is an integer number (570337065).

Almost surely, 2^7097527640 is an apocalyptic number.

7097527640 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7097527640 is an abundant number, since it is smaller than the sum of its proper divisors (11153258440).

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

7097527640 is a wasteful number, since it uses less digits than its factorization.

7097527640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25348331 (or 25348327 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 7097527640 is about 84246.8256968771. The cubic root of 7097527640 is about 1921.7742244168.

The spelling of 7097527640 in words is "seven billion, ninety-seven million, five hundred twenty-seven thousand, six hundred forty".