32705612690 has 48 divisors (see below), whose sum is σ = 62664840000. Its totient is φ = 12287484672.

The previous prime is 32705612683. The next prime is 32705612699. The reversal of 32705612690 is 9621650723.

It is a super-2 number, since 2×32705612690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32705612699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1430771 + ... + 1453449.

It is an arithmetic number, because the mean of its divisors is an integer number (1305517500).

Almost surely, 2^32705612690 is an apocalyptic number.

32705612690 is a deficient number, since it is larger than the sum of its proper divisors (29959227310).

32705612690 is a wasteful number, since it uses less digits than its factorization.

32705612690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23219 (or 23202 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 32705612690 in words is "thirty-two billion, seven hundred five million, six hundred twelve thousand, six hundred ninety".