1970734445 has 4 divisors (see below), whose sum is σ = 2364881340. Its totient is φ = 1576587552.

The previous prime is 1970734439. The next prime is 1970734529. The reversal of 1970734445 is 5444370791.

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: 5444370791 = 2143 ⋅2540537.

It can be written as a sum of positive squares in 2 ways, for example, as 229007689 + 1741726756 = 15133^2 + 41734^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970734445 - 2²⁰ = 1969685869 is a prime.

It is a super-3 number, since 3×1970734445³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1970734396 and 1970734405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197073440 + ... + 197073449.

It is an arithmetic number, because the mean of its divisors is an integer number (591220335).

Almost surely, 2^1970734445 is an apocalyptic number.

It is an amenable number.

1970734445 is a deficient number, since it is larger than the sum of its proper divisors (394146895).

1970734445 is an equidigital number, since it uses as much as digits as its factorization.

1970734445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394146894.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 1970734445 is about 44392.9549027771. The cubic root of 1970734445 is about 1253.7454476882.

The spelling of 1970734445 in words is "one billion, nine hundred seventy million, seven hundred thirty-four thousand, four hundred forty-five".