3720534345 has 96 divisors (see below), whose sum is σ = 7182774144. Its totient is φ = 1766476800.

The previous prime is 3720534329. The next prime is 3720534353. The reversal of 3720534345 is 5434350273.

It is not a de Polignac number, because 3720534345 - 2⁴ = 3720534329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5628315 + ... + 5628975.

It is an arithmetic number, because the mean of its divisors is an integer number (74820564).

Almost surely, 2^3720534345 is an apocalyptic number.

It is an amenable number.

3720534345 is a deficient number, since it is larger than the sum of its proper divisors (3462239799).

3720534345 is a wasteful number, since it uses less digits than its factorization.

3720534345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 36.

The square root of 3720534345 is about 60996.1830363179. The cubic root of 3720534345 is about 1549.5363642795.

The spelling of 3720534345 in words is "three billion, seven hundred twenty million, five hundred thirty-four thousand, three hundred forty-five".