33742156 has 24 divisors (see below), whose sum is σ = 68302080. Its totient is φ = 14285712.

The previous prime is 33742123. The next prime is 33742207. The reversal of 33742156 is 65124733.

It is a super-2 number, since 2×33742156² = 2277066183056672, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4936 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (2845920).

Almost surely, 2^33742156 is an apocalyptic number.

It is an amenable number.

33742156 is an abundant number, since it is smaller than the sum of its proper divisors (34559924).

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

33742156 is a wasteful number, since it uses less digits than its factorization.

33742156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14613 (or 14611 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 33742156 is about 5808.7998760501. The cubic root of 33742156 is about 323.1401654380.

Adding to 33742156 its reverse (65124733), we get a palindrome (98866889).

The spelling of 33742156 in words is "thirty-three million, seven hundred forty-two thousand, one hundred fifty-six".