32719723812 has 36 divisors (see below), whose sum is σ = 87573380076. Its totient is φ = 10265011200.

The previous prime is 32719723811. The next prime is 32719723819. The reversal of 32719723812 is 21832791723.

32719723812 is a `hidden beast` number, since 327 + 1 + 97 + 238 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14975885376 + 17743838436 = 122376^2 + 133206^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×32719723812² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32719723811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26731189 + ... + 26732412.

It is an arithmetic number, because the mean of its divisors is an integer number (2432593891).

Almost surely, 2^32719723812 is an apocalyptic number.

It is an amenable number.

32719723812 is an abundant number, since it is smaller than the sum of its proper divisors (54853656264).

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

32719723812 is a wasteful number, since it uses less digits than its factorization.

32719723812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53463628 (or 53463623 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 32719723812 in words is "thirty-two billion, seven hundred nineteen million, seven hundred twenty-three thousand, eight hundred twelve".