33045739 has 4 divisors (see below), whose sum is σ = 34989624. Its totient is φ = 31101856.

The previous prime is 33045737. The next prime is 33045751. The reversal of 33045739 is 93754033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93754033 = 811 ⋅115603.

It is a cyclic number.

It is not a de Polignac number, because 33045739 - 2¹ = 33045737 is a prime.

It is a super-2 number, since 2×33045739² = 2184041732112242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33045737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971917 + ... + 971950.

It is an arithmetic number, because the mean of its divisors is an integer number (8747406).

Almost surely, 2^33045739 is an apocalyptic number.

33045739 is a deficient number, since it is larger than the sum of its proper divisors (1943885).

33045739 is a wasteful number, since it uses less digits than its factorization.

33045739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943884.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 33045739 is about 5748.5423369755. The cubic root of 33045739 is about 320.9015559123.

The spelling of 33045739 in words is "thirty-three million, forty-five thousand, seven hundred thirty-nine".