67729490532 has 72 divisors (see below), whose sum is σ = 196599180960. Its totient is φ = 19443870720.

The previous prime is 67729490497. The next prime is 67729490641. The reversal of 67729490532 is 23509492776.

67729490532 is a `hidden beast` number, since 67 + 7 + 2 + 9 + 49 + 0 + 532 = 666.

67729490532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4493373 + ... + 4508420.

It is an arithmetic number, because the mean of its divisors is an integer number (2730544180).

Almost surely, 2^67729490532 is an apocalyptic number.

It is an amenable number.

67729490532 is an abundant number, since it is smaller than the sum of its proper divisors (128869690428).

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

67729490532 is a wasteful number, since it uses less digits than its factorization.

67729490532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001833 (or 9001828 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 67729490532 in words is "sixty-seven billion, seven hundred twenty-nine million, four hundred ninety thousand, five hundred thirty-two".