369978743 has 4 divisors (see below), whose sum is σ = 376959528. Its totient is φ = 362997960.

The previous prime is 369978731. The next prime is 369978779. The reversal of 369978743 is 347879963.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-369978743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369978703) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3490313 + ... + 3490418.

It is an arithmetic number, because the mean of its divisors is an integer number (94239882).

Almost surely, 2^369978743 is an apocalyptic number.

369978743 is a deficient number, since it is larger than the sum of its proper divisors (6980785).

369978743 is an equidigital number, since it uses as much as digits as its factorization.

369978743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980784.

The product of its digits is 6858432, while the sum is 56.

The square root of 369978743 is about 19234.8315043309. The cubic root of 369978743 is about 717.8916867311.

The spelling of 369978743 in words is "three hundred sixty-nine million, nine hundred seventy-eight thousand, seven hundred forty-three".