35994721 has 16 divisors (see below), whose sum is σ = 43663360. Its totient is φ = 28985040.

The previous prime is 35994703. The next prime is 35994727. The reversal of 35994721 is 12749953.

It is not a de Polignac number, because 35994721 - 2¹¹ = 35992673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35994727) 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 15 ways as a sum of consecutive naturals, for example, 15826 + ... + 17956.

It is an arithmetic number, because the mean of its divisors is an integer number (2728960).

Almost surely, 2^35994721 is an apocalyptic number.

It is an amenable number.

35994721 is a deficient number, since it is larger than the sum of its proper divisors (7668639).

35994721 is a wasteful number, since it uses less digits than its factorization.

35994721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284.

The product of its digits is 68040, while the sum is 40.

The square root of 35994721 is about 5999.5600672049. The cubic root of 35994721 is about 330.1765844024.

The spelling of 35994721 in words is "thirty-five million, nine hundred ninety-four thousand, seven hundred twenty-one".