1056670745 has 16 divisors (see below), whose sum is σ = 1380894480. Its totient is φ = 771538944.

The previous prime is 1056670739. The next prime is 1056670781. The reversal of 1056670745 is 5470766501.

It can be written as a sum of positive squares in 8 ways, for example, as 113443801 + 943226944 = 10651^2 + 30712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056670745 - 2⁴ = 1056670729 is a prime.

It is a super-2 number, since 2×1056670745² = 2233106126677710050, which contains 22 as substring.

It is an unprimeable number.

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, 85544 + ... + 97113.

It is an arithmetic number, because the mean of its divisors is an integer number (86305905).

Almost surely, 2^1056670745 is an apocalyptic number.

It is an amenable number.

1056670745 is a deficient number, since it is larger than the sum of its proper divisors (324223735).

1056670745 is a wasteful number, since it uses less digits than its factorization.

1056670745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182764.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 1056670745 is about 32506.4723555171. The cubic root of 1056670745 is about 1018.5442340016.

The spelling of 1056670745 in words is "one billion, fifty-six million, six hundred seventy thousand, seven hundred forty-five".