1070770691 has 2 divisors, whose sum is σ = 1070770692. Its totient is φ = 1070770690.

The previous prime is 1070770663. The next prime is 1070770697. The reversal of 1070770691 is 1960770701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1070770691 - 2⁶ = 1070770627 is a prime.

It is a super-2 number, since 2×1070770691² = 2293099745409234962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1070770697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535385345 + 535385346.

It is an arithmetic number, because the mean of its divisors is an integer number (535385346).

Almost surely, 2^1070770691 is an apocalyptic number.

1070770691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070770691 is an equidigital number, since it uses as much as digits as its factorization.

1070770691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 1070770691 is about 32722.6327027640. The cubic root of 1070770691 is about 1023.0546297461.

The spelling of 1070770691 in words is "one billion, seventy million, seven hundred seventy thousand, six hundred ninety-one".