39730480 has 20 divisors (see below), whose sum is σ = 92373552. Its totient is φ = 15892160.

The previous prime is 39730477. The next prime is 39730511. The reversal of 39730480 is 8403793.

39730480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×39730480² = 3157022082060800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 248236 + ... + 248395.

Almost surely, 2^39730480 is an apocalyptic number.

It is an amenable number.

39730480 is an abundant number, since it is smaller than the sum of its proper divisors (52643072).

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

39730480 is a wasteful number, since it uses less digits than its factorization.

39730480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496644 (or 496638 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 39730480 is about 6303.2118796690. The cubic root of 39730480 is about 341.2253364527.

The spelling of 39730480 in words is "thirty-nine million, seven hundred thirty thousand, four hundred eighty".