33999970 has 8 divisors (see below), whose sum is σ = 61199964. Its totient is φ = 13599984.

The previous prime is 33999967. The next prime is 34000009. The reversal of 33999970 is 7999933.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32729841 + 1270129 = 5721^2 + 1127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699989 + ... + 1700008.

Almost surely, 2^33999970 is an apocalyptic number.

33999970 is a deficient number, since it is larger than the sum of its proper divisors (27199994).

33999970 is a wasteful number, since it uses less digits than its factorization.

33999970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400004.

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 33999970 is about 5830.9493223660. The cubic root of 33999970 is about 323.9610848450.

It can be divided in two parts, 33999 and 970, that added together give a square (34969 = 187²).

The spelling of 33999970 in words is "thirty-three million, nine hundred ninety-nine thousand, nine hundred seventy".