1373072275 has 12 divisors (see below), whose sum is σ = 1719470304. Its totient is φ = 1087580000.

The previous prime is 1373072273. The next prime is 1373072287. The reversal of 1373072275 is 5722703731.

It is not a de Polignac number, because 1373072275 - 2¹ = 1373072273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373072273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269371 + ... + 274420.

It is an arithmetic number, because the mean of its divisors is an integer number (143289192).

Almost surely, 2^1373072275 is an apocalyptic number.

1373072275 is a deficient number, since it is larger than the sum of its proper divisors (346398029).

1373072275 is a wasteful number, since it uses less digits than its factorization.

1373072275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543902 (or 543897 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 1373072275 is about 37054.9898799069. The cubic root of 1373072275 is about 1111.4701389673.

The spelling of 1373072275 in words is "one billion, three hundred seventy-three million, seventy-two thousand, two hundred seventy-five".