376728745 has 4 divisors (see below), whose sum is σ = 452074500. Its totient is φ = 301382992.

The previous prime is 376728731. The next prime is 376728757. The reversal of 376728745 is 547827673.

It is a happy number.

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 252428544 + 124300201 = 15888^2 + 11149^2 .

It is a cyclic number.

It is not a de Polignac number, because 376728745 - 2¹¹ = 376726697 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37672870 + ... + 37672879.

It is an arithmetic number, because the mean of its divisors is an integer number (113018625).

Almost surely, 2^376728745 is an apocalyptic number.

It is an amenable number.

376728745 is a deficient number, since it is larger than the sum of its proper divisors (75345755).

376728745 is an equidigital number, since it uses as much as digits as its factorization.

376728745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75345754.

The product of its digits is 1975680, while the sum is 49.

The square root of 376728745 is about 19409.5014103918. The cubic root of 376728745 is about 722.2312119021.

The spelling of 376728745 in words is "three hundred seventy-six million, seven hundred twenty-eight thousand, seven hundred forty-five".