67932276746491 has 4 divisors (see below), whose sum is σ = 68050010328952. Its totient is φ = 67814543164032.

The previous prime is 67932276746489. The next prime is 67932276746539. The reversal of 67932276746491 is 19464767223976.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67932276746491 - 2¹ = 67932276746489 is a prime.

It is a super-2 number, since 2×67932276746491² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67932276746431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58866790365 + ... + 58866791518.

It is an arithmetic number, because the mean of its divisors is an integer number (17012502582238).

Almost surely, 2^{67932276746491} is an apocalyptic number.

67932276746491 is a deficient number, since it is larger than the sum of its proper divisors (117733582461).

67932276746491 is a wasteful number, since it uses less digits than its factorization.

67932276746491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117733582460.

The product of its digits is 1152216576, while the sum is 73.

The spelling of 67932276746491 in words is "sixty-seven trillion, nine hundred thirty-two billion, two hundred seventy-six million, seven hundred forty-six thousand, four hundred ninety-one".