34713640640 has 56 divisors (see below), whose sum is σ = 94470699552. Its totient is φ = 11901818880.

The previous prime is 34713640609. The next prime is 34713640649. The reversal of 34713640640 is 4604631743.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 34713640594 and 34713640603.

It is not an unprimeable number, because it can be changed into a prime (34713640649) 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, 7746341 + ... + 7750820.

Almost surely, 2^34713640640 is an apocalyptic number.

It is an amenable number.

34713640640 is an abundant number, since it is smaller than the sum of its proper divisors (59757058912).

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

34713640640 is a wasteful number, since it uses less digits than its factorization.

34713640640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15497185 (or 15497175 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 34713640640 in words is "thirty-four billion, seven hundred thirteen million, six hundred forty thousand, six hundred forty".