35724020 has 12 divisors (see below), whose sum is σ = 75020484. Its totient is φ = 14289600.

The previous prime is 35724019. The next prime is 35724043. The reversal of 35724020 is 2042753.

It can be written as a sum of positive squares in 2 ways, for example, as 11792356 + 23931664 = 3434^2 + 4892^2 .

It is a congruent 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, 893081 + ... + 893120.

It is an arithmetic number, because the mean of its divisors is an integer number (6251707).

Almost surely, 2^35724020 is an apocalyptic number.

It is an amenable number.

35724020 is an abundant number, since it is smaller than the sum of its proper divisors (39296464).

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

35724020 is a wasteful number, since it uses less digits than its factorization.

35724020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786210 (or 1786208 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 35724020 is about 5976.9574199588. The cubic root of 35724020 is about 329.3467948224.

Adding to 35724020 its reverse (2042753), we get a palindrome (37766773).

The spelling of 35724020 in words is "thirty-five million, seven hundred twenty-four thousand, twenty".