3720880273 has 4 divisors (see below), whose sum is σ = 4059142128. Its totient is φ = 3382618420.

The previous prime is 3720880259. The next prime is 3720880277.

3720880273 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3720880273 - 2⁹ = 3720879761 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3720880277) by changing a digit.

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, 169130911 + ... + 169130932.

It is an arithmetic number, because the mean of its divisors is an integer number (1014785532).

Almost surely, 2^3720880273 is an apocalyptic number.

It is an amenable number.

3720880273 is a deficient number, since it is larger than the sum of its proper divisors (338261855).

3720880273 is a wasteful number, since it uses less digits than its factorization.

3720880273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338261854.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 3720880273 is about 60999.0186232533. The cubic root of 3720880273 is about 1549.5843870771.

The spelling of 3720880273 in words is "three billion, seven hundred twenty million, eight hundred eighty thousand, two hundred seventy-three".