32406780 has 192 divisors, whose sum is σ = 113541120. Its totient is φ = 6739200.

The previous prime is 32406767. The next prime is 32406791. The reversal of 32406780 is 8760423.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247315 + ... + 247445.

It is an arithmetic number, because the mean of its divisors is an integer number (591360).

Almost surely, 2^32406780 is an apocalyptic number.

32406780 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 32406780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56770560).

32406780 is an abundant number, since it is smaller than the sum of its proper divisors (81134340).

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

32406780 is a wasteful number, since it uses less digits than its factorization.

32406780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 32406780 is about 5692.6953194423. The cubic root of 32406780 is about 318.8198063184.

The spelling of 32406780 in words is "thirty-two million, four hundred six thousand, seven hundred eighty".