32572767480 has 128 divisors (see below), whose sum is σ = 107416108800. Its totient is φ = 7836108800.

The previous prime is 32572767449. The next prime is 32572767481. The reversal of 32572767480 is 8476727523.

It is a super-2 number, since 2×32572767480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32572767481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78736 + ... + 267104.

It is an arithmetic number, because the mean of its divisors is an integer number (839188350).

Almost surely, 2^32572767480 is an apocalyptic number.

32572767480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32572767480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53708054400).

32572767480 is an abundant number, since it is smaller than the sum of its proper divisors (74843341320).

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

32572767480 is a wasteful number, since it uses less digits than its factorization.

32572767480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188525 (or 188521 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 32572767480 in words is "thirty-two billion, five hundred seventy-two million, seven hundred sixty-seven thousand, four hundred eighty".