33676987 has 4 divisors (see below), whose sum is σ = 35449480. Its totient is φ = 31904496.

The previous prime is 33676961. The next prime is 33676999. The reversal of 33676987 is 78967633.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-33676987 is a prime.

It is a super-2 number, since 2×33676987² = 2268278906796338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33676987.

It is not an unprimeable number, because it can be changed into a prime (33676927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886218 + ... + 886255.

It is an arithmetic number, because the mean of its divisors is an integer number (8862370).

Almost surely, 2^33676987 is an apocalyptic number.

33676987 is a deficient number, since it is larger than the sum of its proper divisors (1772493).

33676987 is a wasteful number, since it uses less digits than its factorization.

33676987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772492.

The product of its digits is 1143072, while the sum is 49.

The square root of 33676987 is about 5803.1876585201. The cubic root of 33676987 is about 322.9319956391.

The spelling of 33676987 in words is "thirty-three million, six hundred seventy-six thousand, nine hundred eighty-seven".