32070072 has 16 divisors (see below), whose sum is σ = 80175240. Its totient is φ = 10690016.

The previous prime is 32070053. The next prime is 32070113. The reversal of 32070072 is 27007023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668103 + ... + 668150.

Almost surely, 2^32070072 is an apocalyptic number.

It is an amenable number.

32070072 is an abundant number, since it is smaller than the sum of its proper divisors (48105168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32070072 is a wasteful number, since it uses less digits than its factorization.

32070072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336262 (or 1336258 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 32070072 is about 5663.0444109154. The cubic root of 32070072 is about 317.7117755494.

Adding to 32070072 its reverse (27007023), we get a palindrome (59077095).

The spelling of 32070072 in words is "thirty-two million, seventy thousand, seventy-two".