1772994745 has 16 divisors (see below), whose sum is σ = 2151733248. Its totient is φ = 1402394560.

The previous prime is 1772994733. The next prime is 1772994799. The reversal of 1772994745 is 5474992771.

It is not a de Polignac number, because 1772994745 - 2⁹ = 1772994233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153927 + ... + 165043.

It is an arithmetic number, because the mean of its divisors is an integer number (134483328).

Almost surely, 2^1772994745 is an apocalyptic number.

It is an amenable number.

1772994745 is a deficient number, since it is larger than the sum of its proper divisors (378738503).

1772994745 is a wasteful number, since it uses less digits than its factorization.

1772994745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480.

The product of its digits is 4445280, while the sum is 55.

The square root of 1772994745 is about 42106.9441422671. The cubic root of 1772994745 is about 1210.3263343559.

The spelling of 1772994745 in words is "one billion, seven hundred seventy-two million, nine hundred ninety-four thousand, seven hundred forty-five".