32740372 has 48 divisors (see below), whose sum is σ = 68124672. Its totient is φ = 13476960.

The previous prime is 32740369. The next prime is 32740381. The reversal of 32740372 is 27304723.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 32740372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85293 + ... + 85675.

It is an arithmetic number, because the mean of its divisors is an integer number (1419264).

Almost surely, 2^32740372 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 32740372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34062336).

32740372 is an abundant number, since it is smaller than the sum of its proper divisors (35384300).

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

32740372 is a wasteful number, since it uses less digits than its factorization.

32740372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 32740372 is about 5721.9203070298. The cubic root of 32740372 is about 319.9100398164.

The spelling of 32740372 in words is "thirty-two million, seven hundred forty thousand, three hundred seventy-two".