32720423370 has 16 divisors (see below), whose sum is σ = 78529016160. Its totient is φ = 8725446224.

The previous prime is 32720423327. The next prime is 32720423377. The reversal of 32720423370 is 7332402723.

It is a super-2 number, since 2×32720423370² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32720423377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545340360 + ... + 545340419.

It is an arithmetic number, because the mean of its divisors is an integer number (4908063510).

Almost surely, 2^32720423370 is an apocalyptic number.

32720423370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32720423370 is an abundant number, since it is smaller than the sum of its proper divisors (45808592790).

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

32720423370 is a wasteful number, since it uses less digits than its factorization.

32720423370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090680789.

The product of its (nonzero) digits is 42336, while the sum is 33.

The spelling of 32720423370 in words is "thirty-two billion, seven hundred twenty million, four hundred twenty-three thousand, three hundred seventy".