6780061734 has 32 divisors (see below), whose sum is σ = 13811213184. Its totient is φ = 2218466880.

The previous prime is 6780061697. The next prime is 6780061763. The reversal of 6780061734 is 4371600876.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55737 + ... + 129099.

It is an arithmetic number, because the mean of its divisors is an integer number (431600412).

Almost surely, 2^6780061734 is an apocalyptic number.

6780061734 is an abundant number, since it is smaller than the sum of its proper divisors (7031151450).

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

6780061734 is a wasteful number, since it uses less digits than its factorization.

6780061734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73652.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 6780061734 is about 82341.1302691431. The cubic root of 6780061734 is about 1892.6830061743.

The spelling of 6780061734 in words is "six billion, seven hundred eighty million, sixty-one thousand, seven hundred thirty-four".