35972721027 has 42 divisors (see below), whose sum is σ = 56334384652. Its totient is φ = 22939126452.

The previous prime is 35972721023. The next prime is 35972721047. The reversal of 35972721027 is 72012727953.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

35972721027 is a `hidden beast` number, since 3 + 597 + 27 + 2 + 10 + 27 = 666.

It is not a de Polignac number, because 35972721027 - 2² = 35972721023 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35972721023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1564031338 + ... + 1564031360.

Almost surely, 2^35972721027 is an apocalyptic number.

35972721027 is a deficient number, since it is larger than the sum of its proper divisors (20361663625).

35972721027 is an frugal number, since it uses more digits than its factorization.

35972721027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 35972721027 in words is "thirty-five billion, nine hundred seventy-two million, seven hundred twenty-one thousand, twenty-seven".