33672404 has 6 divisors (see below), whose sum is σ = 58926714. Its totient is φ = 16836200.

The previous prime is 33672383. The next prime is 33672473. The reversal of 33672404 is 40427633.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19624900 + 14047504 = 4430^2 + 3748^2 .

It is a super-2 number, since 2×33672404² = 2267661582278432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4209047 + ... + 4209054.

It is an arithmetic number, because the mean of its divisors is an integer number (9821119).

Almost surely, 2^33672404 is an apocalyptic number.

It is an amenable number.

33672404 is a deficient number, since it is larger than the sum of its proper divisors (25254310).

33672404 is a wasteful number, since it uses less digits than its factorization.

33672404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418105 (or 8418103 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 33672404 is about 5802.7927758968. The cubic root of 33672404 is about 322.9173460261.

The spelling of 33672404 in words is "thirty-three million, six hundred seventy-two thousand, four hundred four".