33420470 has 32 divisors (see below), whose sum is σ = 65901600. Its totient is φ = 12146176.

The previous prime is 33420467. The next prime is 33420493. The reversal of 33420470 is 7402433.

It is a happy number.

It is a super-2 number, since 2×33420470² = 2233855630041800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 1541 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (2059425).

Almost surely, 2^33420470 is an apocalyptic number.

33420470 is a deficient number, since it is larger than the sum of its proper divisors (32481130).

33420470 is a wasteful number, since it uses less digits than its factorization.

33420470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 33420470 is about 5781.0440233577. The cubic root of 33420470 is about 322.1099826195.

The spelling of 33420470 in words is "thirty-three million, four hundred twenty thousand, four hundred seventy".