1075720347 has 12 divisors (see below), whose sum is σ = 1673342944. Its totient is φ = 661981680.

The previous prime is 1075720319. The next prime is 1075720381. The reversal of 1075720347 is 7430275701.

It is not a de Polignac number, because 1075720347 - 2¹⁴ = 1075703963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1075720447) 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, 4596979 + ... + 4597212.

Almost surely, 2^1075720347 is an apocalyptic number.

1075720347 is a deficient number, since it is larger than the sum of its proper divisors (597622597).

1075720347 is a wasteful number, since it uses less digits than its factorization.

1075720347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194210 (or 9194207 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 1075720347 is about 32798.1759706237. The cubic root of 1075720347 is about 1024.6285696046.

The spelling of 1075720347 in words is "one billion, seventy-five million, seven hundred twenty thousand, three hundred forty-seven".