32149907 has 4 divisors (see below), whose sum is σ = 34041096. Its totient is φ = 30258720.

The previous prime is 32149891. The next prime is 32149913. The reversal of 32149907 is 70994123.

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

It is a cyclic number.

It is not a de Polignac number, because 32149907 - 2⁴ = 32149891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32149937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945569 + ... + 945602.

It is an arithmetic number, because the mean of its divisors is an integer number (8510274).

Almost surely, 2^32149907 is an apocalyptic number.

32149907 is a deficient number, since it is larger than the sum of its proper divisors (1891189).

32149907 is a wasteful number, since it uses less digits than its factorization.

32149907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891188.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 32149907 is about 5670.0888000101. The cubic root of 32149907 is about 317.9751935345.

The spelling of 32149907 in words is "thirty-two million, one hundred forty-nine thousand, nine hundred seven".