1070708621 has 2 divisors, whose sum is σ = 1070708622. Its totient is φ = 1070708620.

The previous prime is 1070708599. The next prime is 1070708629. The reversal of 1070708621 is 1268070701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048852996 + 21855625 = 32386^2 + 4675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1070708621 is a prime.

It is a super-2 number, since 2×1070708621² = 2292833902167443282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1070708629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535354310 + 535354311.

It is an arithmetic number, because the mean of its divisors is an integer number (535354311).

Almost surely, 2^1070708621 is an apocalyptic number.

It is an amenable number.

1070708621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070708621 is an equidigital number, since it uses as much as digits as its factorization.

1070708621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1070708621 is about 32721.6842628860. The cubic root of 1070708621 is about 1023.0348613592.

The spelling of 1070708621 in words is "one billion, seventy million, seven hundred eight thousand, six hundred twenty-one".