68739004532 has 24 divisors (see below), whose sum is σ = 131448139200. Its totient is φ = 31192828160.

The previous prime is 68739004531. The next prime is 68739004559. The reversal of 68739004532 is 23540093786.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68739004531) 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, 1277693 + ... + 1330404.

It is an arithmetic number, because the mean of its divisors is an integer number (5477005800).

Almost surely, 2^68739004532 is an apocalyptic number.

It is an amenable number.

68739004532 is a deficient number, since it is larger than the sum of its proper divisors (62709134668).

68739004532 is a wasteful number, since it uses less digits than its factorization.

68739004532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608711 (or 2608709 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 68739004532 in words is "sixty-eight billion, seven hundred thirty-nine million, four thousand, five hundred thirty-two".