67727172054 has 16 divisors (see below), whose sum is σ = 140125183920. Its totient is φ = 21797250720.

The previous prime is 67727172053. The next prime is 67727172077. The reversal of 67727172054 is 45027172776.

It is a junction number, because it is equal to n+sod(n) for n = 67727171994 and 67727172012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67727172053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194618137 + ... + 194618484.

It is an arithmetic number, because the mean of its divisors is an integer number (8757823995).

Almost surely, 2^67727172054 is an apocalyptic number.

67727172054 is an abundant number, since it is smaller than the sum of its proper divisors (72398011866).

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

67727172054 is a wasteful number, since it uses less digits than its factorization.

67727172054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389236655.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 67727172054 in words is "sixty-seven billion, seven hundred twenty-seven million, one hundred seventy-two thousand, fifty-four".