32727501997 has 6 divisors (see below), whose sum is σ = 33613159274. Its totient is φ = 31841904240.

The previous prime is 32727501967. The next prime is 32727502013. The reversal of 32727501997 is 79910572723.

It can be written as a sum of positive squares in 3 ways, for example, as 25120348036 + 7607153961 = 158494^2 + 87219^2 .

It is a de Polignac number, because none of the positive numbers 2^k-32727501997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32727501967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1085547 + ... + 1115287.

Almost surely, 2^32727501997 is an apocalyptic number.

32727501997 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

32727501997 is a deficient number, since it is larger than the sum of its proper divisors (885657277).

32727501997 is an frugal number, since it uses more digits than its factorization.

32727501997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59519 (or 29778 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 32727501997 in words is "thirty-two billion, seven hundred twenty-seven million, five hundred one thousand, nine hundred ninety-seven".