7126640682 has 32 divisors (see below), whose sum is σ = 16294699392. Its totient is φ = 2035528704.

The previous prime is 7126640681. The next prime is 7126640683. The reversal of 7126640682 is 2860466217.

It is an interprime number because it is at equal distance from previous prime (7126640681) and next prime (7126640683).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (7126640681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113538 + ... + 164754.

It is an arithmetic number, because the mean of its divisors is an integer number (509209356).

Almost surely, 2^7126640682 is an apocalyptic number.

7126640682 is an abundant number, since it is smaller than the sum of its proper divisors (9168058710).

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

7126640682 is a wasteful number, since it uses less digits than its factorization.

7126640682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54542.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 7126640682 is about 84419.4330826736. The cubic root of 7126640682 is about 1924.3982541048.

The spelling of 7126640682 in words is "seven billion, one hundred twenty-six million, six hundred forty thousand, six hundred eighty-two".