32406725 has 12 divisors (see below), whose sum is σ = 43275876. Its totient is φ = 23930880.

The previous prime is 32406719. The next prime is 32406733. The reversal of 32406725 is 52760423.

It can be written as a sum of positive squares in 6 ways, for example, as 7496644 + 24910081 = 2738^2 + 4991^2 .

It is not a de Polignac number, because 32406725 - 2¹⁶ = 32341189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49532 + ... + 50181.

It is an arithmetic number, because the mean of its divisors is an integer number (3606323).

Almost surely, 2^32406725 is an apocalyptic number.

It is an amenable number.

32406725 is a deficient number, since it is larger than the sum of its proper divisors (10869151).

32406725 is a wasteful number, since it uses less digits than its factorization.

32406725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99736 (or 99731 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 32406725 is about 5692.6904886881. The cubic root of 32406725 is about 318.8196259538.

The spelling of 32406725 in words is "thirty-two million, four hundred six thousand, seven hundred twenty-five".