34742640636 has 48 divisors (see below), whose sum is σ = 98262017280. Its totient is φ = 10528072560.

The previous prime is 34742640623. The next prime is 34742640637. The reversal of 34742640636 is 63604624743.

34742640636 is a `hidden beast` number, since 3 + 4 + 7 + 4 + 2 + 6 + 4 + 0 + 636 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 34742640591 and 34742640600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34742640637) 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, 14621136 + ... + 14623511.

It is an arithmetic number, because the mean of its divisors is an integer number (2047125360).

Almost surely, 2^34742640636 is an apocalyptic number.

34742640636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

34742640636 is an abundant number, since it is smaller than the sum of its proper divisors (63519376644).

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

34742640636 is a wasteful number, since it uses less digits than its factorization.

34742640636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29244671 (or 29244663 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 45.

The spelling of 34742640636 in words is "thirty-four billion, seven hundred forty-two million, six hundred forty thousand, six hundred thirty-six".