1374370321 has 8 divisors (see below), whose sum is σ = 1479072744. Its totient is φ = 1272318720.

The previous prime is 1374370279. The next prime is 1374370331. The reversal of 1374370321 is 1230734731.

It can be written as a sum of positive squares in 4 ways, for example, as 75777025 + 1298593296 = 8705^2 + 36036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1374370321 - 2¹¹ = 1374368273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1374370331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661630 + ... + 663703.

It is an arithmetic number, because the mean of its divisors is an integer number (184884093).

Almost surely, 2^1374370321 is an apocalyptic number.

It is an amenable number.

1374370321 is a deficient number, since it is larger than the sum of its proper divisors (104702423).

1374370321 is a wasteful number, since it uses less digits than its factorization.

1374370321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325411.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 1374370321 is about 37072.5008732888. The cubic root of 1374370321 is about 1111.8202746928.

The spelling of 1374370321 in words is "one billion, three hundred seventy-four million, three hundred seventy thousand, three hundred twenty-one".