32740740 has 48 divisors (see below), whose sum is σ = 101861760. Its totient is φ = 8730720.

The previous prime is 32740723. The next prime is 32740751. The reversal of 32740740 is 4704723.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29776 + ... + 30855.

It is an arithmetic number, because the mean of its divisors is an integer number (2122120).

Almost surely, 2^32740740 is an apocalyptic number.

32740740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32740740 is an abundant number, since it is smaller than the sum of its proper divisors (69121020).

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

32740740 is a wasteful number, since it uses less digits than its factorization.

32740740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60649 (or 60641 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 32740740 is about 5721.9524639759. The cubic root of 32740740 is about 319.9112384024.

The spelling of 32740740 in words is "thirty-two million, seven hundred forty thousand, seven hundred forty".