32426780 has 48 divisors (see below), whose sum is σ = 71668800. Its totient is φ = 12300288.

The previous prime is 32426767. The next prime is 32426789. The reversal of 32426780 is 8762423.

It is a super-2 number, since 2×32426780² = 2102992122336800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32426789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71996 + ... + 72444.

It is an arithmetic number, because the mean of its divisors is an integer number (1493100).

Almost surely, 2^32426780 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 32426780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35834400).

32426780 is an abundant number, since it is smaller than the sum of its proper divisors (39242020).

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

32426780 is a wasteful number, since it uses less digits than its factorization.

32426780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 32426780 is about 5694.4516856323. The cubic root of 32426780 is about 318.8853798890.

The spelling of 32426780 in words is "thirty-two million, four hundred twenty-six thousand, seven hundred eighty".