32606730 has 144 divisors (see below), whose sum is σ = 97592040. Its totient is φ = 7499520.

The previous prime is 32606723. The next prime is 32606737. The reversal of 32606730 is 3760623.

It is an interprime number because it is at equal distance from previous prime (32606723) and next prime (32606737).

It can be written as a sum of positive squares in 4 ways, for example, as 20766249 + 11840481 = 4557^2 + 3441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32606694 and 32606703.

It is not an unprimeable number, because it can be changed into a prime (32606737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1051815 + ... + 1051845.

Almost surely, 2^32606730 is an apocalyptic number.

32606730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32606730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48796020).

32606730 is an abundant number, since it is smaller than the sum of its proper divisors (64985310).

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

32606730 is a wasteful number, since it uses less digits than its factorization.

32606730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 32606730 is about 5710.2302930793. The cubic root of 32606730 is about 319.4741689683.

The spelling of 32606730 in words is "thirty-two million, six hundred six thousand, seven hundred thirty".