33699970 has 16 divisors (see below), whose sum is σ = 62300088. Its totient is φ = 13115520.

The previous prime is 33699961. The next prime is 33699973. The reversal of 33699970 is 7999633.

It can be written as a sum of positive squares in 4 ways, for example, as 33281361 + 418609 = 5769^2 + 647^2 .

It is a super-2 number, since 2×33699970² = 2271375956001800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33699970.

It is not an unprimeable number, because it can be changed into a prime (33699973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45171 + ... + 45910.

Almost surely, 2^33699970 is an apocalyptic number.

33699970 is a deficient number, since it is larger than the sum of its proper divisors (28600118).

33699970 is a wasteful number, since it uses less digits than its factorization.

33699970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91125.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 33699970 is about 5805.1675255758. The cubic root of 33699970 is about 323.0054410289.

The spelling of 33699970 in words is "thirty-three million, six hundred ninety-nine thousand, nine hundred seventy".