32690669 has 4 divisors (see below), whose sum is σ = 35662560. Its totient is φ = 29718780.

The previous prime is 32690663. The next prime is 32690681. The reversal of 32690669 is 96609623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32690669 is a prime.

It is a super-2 number, since 2×32690669² = 2137359679335122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32690663) 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, 1485929 + ... + 1485950.

It is an arithmetic number, because the mean of its divisors is an integer number (8915640).

Almost surely, 2^32690669 is an apocalyptic number.

It is an amenable number.

32690669 is a deficient number, since it is larger than the sum of its proper divisors (2971891).

32690669 is a wasteful number, since it uses less digits than its factorization.

32690669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971890.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 32690669 is about 5717.5754476876. The cubic root of 32690669 is about 319.7480732017.

The spelling of 32690669 in words is "thirty-two million, six hundred ninety thousand, six hundred sixty-nine".