1420734872766 has 64 divisors (see below), whose sum is σ = 3200045285376. Its totient is φ = 416603023200.

The previous prime is 1420734872743. The next prime is 1420734872857. The reversal of 1420734872766 is 6672784370241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34612131 + ... + 34653153.

It is an arithmetic number, because the mean of its divisors is an integer number (50000707584).

Almost surely, 2^{1420734872766} is an apocalyptic number.

1420734872766 is an abundant number, since it is smaller than the sum of its proper divisors (1779310412610).

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

1420734872766 is a wasteful number, since it uses less digits than its factorization.

1420734872766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57997.

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 1420734872766 in words is "one trillion, four hundred twenty billion, seven hundred thirty-four million, eight hundred seventy-two thousand, seven hundred sixty-six".