35672121 has 6 divisors (see below), whose sum is σ = 51526410. Its totient is φ = 23781408.

The previous prime is 35672113. The next prime is 35672159. The reversal of 35672121 is 12127653.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33767721 + 1904400 = 5811^2 + 1380^2 .

It is not a de Polignac number, because 35672121 - 2³ = 35672113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (35682121) 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, 1981776 + ... + 1981793.

It is an arithmetic number, because the mean of its divisors is an integer number (8587735).

Almost surely, 2^35672121 is an apocalyptic number.

It is an amenable number.

35672121 is a deficient number, since it is larger than the sum of its proper divisors (15854289).

35672121 is a wasteful number, since it uses less digits than its factorization.

35672121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963575 (or 3963572 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 35672121 is about 5972.6142517327. The cubic root of 35672121 is about 329.1872284829.

Adding to 35672121 its reverse (12127653), we get a palindrome (47799774).

The spelling of 35672121 in words is "thirty-five million, six hundred seventy-two thousand, one hundred twenty-one".