1070399317 has 4 divisors (see below), whose sum is σ = 1152737740. Its totient is φ = 988060896.

The previous prime is 1070399263. The next prime is 1070399327. The reversal of 1070399317 is 7139930701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7139930701 = 97 ⋅73607533.

It can be written as a sum of positive squares in 2 ways, for example, as 606686161 + 463713156 = 24631^2 + 21534^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070399317 - 2²³ = 1062010709 is a prime.

It is a super-3 number, since 3×1070399317³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1070399317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070399327) 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, 41169192 + ... + 41169217.

It is an arithmetic number, because the mean of its divisors is an integer number (288184435).

Almost surely, 2^1070399317 is an apocalyptic number.

It is an amenable number.

1070399317 is a deficient number, since it is larger than the sum of its proper divisors (82338423).

1070399317 is an equidigital number, since it uses as much as digits as its factorization.

1070399317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82338422.

The product of its (nonzero) digits is 35721, while the sum is 40.

The square root of 1070399317 is about 32716.9576366752. The cubic root of 1070399317 is about 1022.9363411695.

The spelling of 1070399317 in words is "one billion, seventy million, three hundred ninety-nine thousand, three hundred seventeen".