1375410073 has 4 divisors (see below), whose sum is σ = 1378874980. Its totient is φ = 1371945168.

The previous prime is 1375410059. The next prime is 1375410079. The reversal of 1375410073 is 3700145731.

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 367220569 + 1008189504 = 19163^2 + 31752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375410073 - 2¹⁷ = 1375279001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375410079) 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, 1731858 + ... + 1732651.

It is an arithmetic number, because the mean of its divisors is an integer number (344718745).

Almost surely, 2^1375410073 is an apocalyptic number.

It is an amenable number.

1375410073 is a deficient number, since it is larger than the sum of its proper divisors (3464907).

1375410073 is an equidigital number, since it uses as much as digits as its factorization.

1375410073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464906.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1375410073 is about 37086.5214464770. The cubic root of 1375410073 is about 1112.1005790471.

The spelling of 1375410073 in words is "one billion, three hundred seventy-five million, four hundred ten thousand, seventy-three".