35721138 has 8 divisors (see below), whose sum is σ = 71442288. Its totient is φ = 11907044.

The previous prime is 35721113. The next prime is 35721157. The reversal of 35721138 is 83112753.

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

35721138 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2976756 + ... + 2976767.

It is an arithmetic number, because the mean of its divisors is an integer number (8930286).

Almost surely, 2^35721138 is an apocalyptic number.

35721138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

35721138 is a wasteful number, since it uses less digits than its factorization.

35721138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953528.

The product of its digits is 5040, while the sum is 30.

The square root of 35721138 is about 5976.7163225303. The cubic root of 35721138 is about 329.3379380085.

The spelling of 35721138 in words is "thirty-five million, seven hundred twenty-one thousand, one hundred thirty-eight".