32320473 has 8 divisors (see below), whose sum is σ = 43512768. Its totient is φ = 21337584.

The previous prime is 32320469. The next prime is 32320489. The reversal of 32320473 is 37402323.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32320473 - 2² = 32320469 is a prime.

It is a super-2 number, since 2×32320473² = 2089225949887458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32320433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51990 + ... + 52607.

It is an arithmetic number, because the mean of its divisors is an integer number (5439096).

Almost surely, 2^32320473 is an apocalyptic number.

It is an amenable number.

32320473 is a deficient number, since it is larger than the sum of its proper divisors (11192295).

32320473 is a wasteful number, since it uses less digits than its factorization.

32320473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104703.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 32320473 is about 5685.1097614734. The cubic root of 32320473 is about 318.5365235732.

Adding to 32320473 its reverse (37402323), we get a palindrome (69722796).

The spelling of 32320473 in words is "thirty-two million, three hundred twenty thousand, four hundred seventy-three".