35721065 has 8 divisors (see below), whose sum is σ = 43037568. Its totient is φ = 28462000.

The previous prime is 35721053. The next prime is 35721067. The reversal of 35721065 is 56012753.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 35721065 - 2²⁴ = 18943849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35721067) 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 7 ways as a sum of consecutive naturals, for example, 12977 + ... + 15486.

It is an arithmetic number, because the mean of its divisors is an integer number (5379696).

Almost surely, 2^35721065 is an apocalyptic number.

It is an amenable number.

35721065 is a deficient number, since it is larger than the sum of its proper divisors (7316503).

35721065 is a wasteful number, since it uses less digits than its factorization.

35721065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28719.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 35721065 is about 5976.7102154948. The cubic root of 35721065 is about 329.3377136625.

The spelling of 35721065 in words is "thirty-five million, seven hundred twenty-one thousand, sixty-five".