33970028 has 6 divisors (see below), whose sum is σ = 59447556. Its totient is φ = 16985012.

The previous prime is 33970009. The next prime is 33970051. The reversal of 33970028 is 82007933.

It is a junction number, because it is equal to n+sod(n) for n = 33969976 and 33970003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246250 + ... + 4246257.

It is an arithmetic number, because the mean of its divisors is an integer number (9907926).

Almost surely, 2^33970028 is an apocalyptic number.

It is an amenable number.

33970028 is a deficient number, since it is larger than the sum of its proper divisors (25477528).

33970028 is a wasteful number, since it uses less digits than its factorization.

33970028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492511 (or 8492509 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 33970028 is about 5828.3812503988. The cubic root of 33970028 is about 323.8659583725.

The spelling of 33970028 in words is "thirty-three million, nine hundred seventy thousand, twenty-eight".