67776920036476 has 72 divisors (see below), whose sum is σ = 140844358351872. Its totient is φ = 28448477820000.

The previous prime is 67776920036453. The next prime is 67776920036479. The reversal of 67776920036476 is 67463002967776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67776920036479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14025940 + ... + 18228571.

It is an arithmetic number, because the mean of its divisors is an integer number (1956171643776).

Almost surely, 2^{67776920036476} is an apocalyptic number.

It is an amenable number.

67776920036476 is an abundant number, since it is smaller than the sum of its proper divisors (73067438315396).

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

67776920036476 is a wasteful number, since it uses less digits than its factorization.

67776920036476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32254751 (or 32254742 counting only the distinct ones).

The product of its (nonzero) digits is 672126336, while the sum is 70.

The spelling of 67776920036476 in words is "sixty-seven trillion, seven hundred seventy-six billion, nine hundred twenty million, thirty-six thousand, four hundred seventy-six".