36669940 has 24 divisors (see below), whose sum is σ = 77444640. Its totient is φ = 14584608.

The previous prime is 36669881. The next prime is 36669959. The reversal of 36669940 is 4996663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (3226860).

Almost surely, 2^36669940 is an apocalyptic number.

It is an amenable number.

36669940 is an abundant number, since it is smaller than the sum of its proper divisors (40774700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36669940 is a wasteful number, since it uses less digits than its factorization.

36669940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431 (or 10429 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 36669940 is about 6055.5709887673. The cubic root of 36669940 is about 332.2283835271.

The spelling of 36669940 in words is "thirty-six million, six hundred sixty-nine thousand, nine hundred forty".