32401007 has 4 divisors (see below), whose sum is σ = 32735136. Its totient is φ = 32066880.

The previous prime is 32401003. The next prime is 32401009. The reversal of 32401007 is 70010423.

It is a happy number.

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 32401007 - 2² = 32401003 is a prime.

It is a super-2 number, since 2×32401007² = 2099650509228098, 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 (32401003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166919 + ... + 167112.

It is an arithmetic number, because the mean of its divisors is an integer number (8183784).

Almost surely, 2^32401007 is an apocalyptic number.

32401007 is a deficient number, since it is larger than the sum of its proper divisors (334129).

32401007 is an equidigital number, since it uses as much as digits as its factorization.

32401007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334128.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 32401007 is about 5692.1882435492. The cubic root of 32401007 is about 318.8008734896.

The spelling of 32401007 in words is "thirty-two million, four hundred one thousand, seven".