67812052790 has 64 divisors (see below), whose sum is σ = 130367102400. Its totient is φ = 25321641984.

The previous prime is 67812052757. The next prime is 67812052801. The reversal of 67812052790 is 9725021876.

It is a happy number.

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, 24312716 + ... + 24315504.

It is an arithmetic number, because the mean of its divisors is an integer number (2036985975).

Almost surely, 2^67812052790 is an apocalyptic number.

67812052790 is a deficient number, since it is larger than the sum of its proper divisors (62555049610).

67812052790 is a wasteful number, since it uses less digits than its factorization.

67812052790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 67812052790 in words is "sixty-seven billion, eight hundred twelve million, fifty-two thousand, seven hundred ninety".