1375470447 has 16 divisors (see below), whose sum is σ = 1987160448. Its totient is φ = 841246560.

The previous prime is 1375470389. The next prime is 1375470457. The reversal of 1375470447 is 7440745731.

It is a happy number.

It is not a de Polignac number, because 1375470447 - 2²⁸ = 1107034991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375470399 and 1375470408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375470457) 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 15 ways as a sum of consecutive naturals, for example, 101829 + ... + 114542.

It is an arithmetic number, because the mean of its divisors is an integer number (124197528).

Almost surely, 2^1375470447 is an apocalyptic number.

1375470447 is a deficient number, since it is larger than the sum of its proper divisors (611690001).

1375470447 is a wasteful number, since it uses less digits than its factorization.

1375470447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216550.

The product of its (nonzero) digits is 329280, while the sum is 42.

The square root of 1375470447 is about 37087.3353990281. The cubic root of 1375470447 is about 1112.1168507950.

The spelling of 1375470447 in words is "one billion, three hundred seventy-five million, four hundred seventy thousand, four hundred forty-seven".