3747640273 has 4 divisors (see below), whose sum is σ = 4035920308. Its totient is φ = 3459360240.

The previous prime is 3747640241. The next prime is 3747640279. The reversal of 3747640273 is 3720467473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1431335889 + 2316304384 = 37833^2 + 48128^2 .

It is a cyclic number.

It is not a de Polignac number, because 3747640273 - 2⁵ = 3747640241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3747640279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144139998 + ... + 144140023.

It is an arithmetic number, because the mean of its divisors is an integer number (1008980077).

Almost surely, 2^3747640273 is an apocalyptic number.

It is an amenable number.

3747640273 is a deficient number, since it is larger than the sum of its proper divisors (288280035).

3747640273 is a wasteful number, since it uses less digits than its factorization.

3747640273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288280034.

The product of its (nonzero) digits is 592704, while the sum is 43.

The square root of 3747640273 is about 61217.9734473463. The cubic root of 3747640273 is about 1553.2903081353.

The spelling of 3747640273 in words is "three billion, seven hundred forty-seven million, six hundred forty thousand, two hundred seventy-three".