32620296072 has 512 divisors, whose sum is σ = 109992960000. Its totient is φ = 7986263040.

The previous prime is 32620296067. The next prime is 32620296073. The reversal of 32620296072 is 27069202623.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 32620296072.

It is not an unprimeable number, because it can be changed into a prime (32620296073) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 124031413 + ... + 124031675.

It is an arithmetic number, because the mean of its divisors is an integer number (214830000).

Almost surely, 2^32620296072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32620296072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54996480000).

32620296072 is an abundant number, since it is smaller than the sum of its proper divisors (77372663928).

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

32620296072 is a wasteful number, since it uses less digits than its factorization.

32620296072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

Adding to 32620296072 its reverse (27069202623), we get a palindrome (59689498695).

The spelling of 32620296072 in words is "thirty-two billion, six hundred twenty million, two hundred ninety-six thousand, seventy-two".