33030147 has 16 divisors (see below), whose sum is σ = 45077760. Its totient is φ = 21506400.

The previous prime is 33030121. The next prime is 33030163. The reversal of 33030147 is 74103033.

It is not a de Polignac number, because 33030147 - 2⁶ = 33030083 is a prime.

It is a super-2 number, since 2×33030147² = 2181981221683218, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (33030197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31522 + ... + 32552.

It is an arithmetic number, because the mean of its divisors is an integer number (2817360).

Almost surely, 2^33030147 is an apocalyptic number.

33030147 is a deficient number, since it is larger than the sum of its proper divisors (12047613).

33030147 is a wasteful number, since it uses less digits than its factorization.

33030147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 33030147 is about 5747.1860070821. The cubic root of 33030147 is about 320.8510775516.

The spelling of 33030147 in words is "thirty-three million, thirty thousand, one hundred forty-seven".