32440697 has 4 divisors (see below), whose sum is σ = 32472960. Its totient is φ = 32408436.

The previous prime is 32440691. The next prime is 32440703. The reversal of 32440697 is 79604423.

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 an interprime number because it is at equal distance from previous prime (32440691) and next prime (32440703).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32440697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32440691) 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, 14573 + ... + 16650.

It is an arithmetic number, because the mean of its divisors is an integer number (8118240).

Almost surely, 2^32440697 is an apocalyptic number.

It is an amenable number.

32440697 is a deficient number, since it is larger than the sum of its proper divisors (32263).

32440697 is a wasteful number, since it uses less digits than its factorization.

32440697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32262.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 32440697 is about 5695.6735334814. The cubic root of 32440697 is about 318.9309933510.

The spelling of 32440697 in words is "thirty-two million, four hundred forty thousand, six hundred ninety-seven".