32045970 has 96 divisors (see below), whose sum is σ = 88879680. Its totient is φ = 7332480.

The previous prime is 32045953. The next prime is 32045977. The reversal of 32045970 is 7954023.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32045977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118996 + ... + 119264.

It is an arithmetic number, because the mean of its divisors is an integer number (925830).

Almost surely, 2^32045970 is an apocalyptic number.

32045970 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 32045970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44439840).

32045970 is an abundant number, since it is smaller than the sum of its proper divisors (56833710).

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

32045970 is a wasteful number, since it uses less digits than its factorization.

32045970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 32045970 is about 5660.9160036164. The cubic root of 32045970 is about 317.6321643746.

Adding to 32045970 its reverse (7954023), we get a palindrome (39999993).

The spelling of 32045970 in words is "thirty-two million, forty-five thousand, nine hundred seventy".