33725042 has 32 divisors (see below), whose sum is σ = 59122224. Its totient is φ = 14284800.

The previous prime is 33725023. The next prime is 33725089. The reversal of 33725042 is 24052733.

It can be written as a sum of positive squares in 8 ways, for example, as 212521 + 33512521 = 461^2 + 5789^2 .

It is a super-2 number, since 2×33725042² = 2274756915803528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17192 + ... + 19052.

Almost surely, 2^33725042 is an apocalyptic number.

33725042 is a deficient number, since it is larger than the sum of its proper divisors (25397182).

33725042 is a wasteful number, since it uses less digits than its factorization.

33725042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 33725042 is about 5807.3265794167. The cubic root of 33725042 is about 323.0855240370.

Adding to 33725042 its reverse (24052733), we get a palindrome (57777775).

The spelling of 33725042 in words is "thirty-three million, seven hundred twenty-five thousand, forty-two".