1772708994 has 48 divisors (see below), whose sum is σ = 4391936640. Its totient is φ = 506214720.

The previous prime is 1772708963. The next prime is 1772709067. The reversal of 1772708994 is 4998072771.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1772708994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399862 + ... + 404270.

It is an arithmetic number, because the mean of its divisors is an integer number (91498680).

Almost surely, 2^1772708994 is an apocalyptic number.

1772708994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1772708994 is an abundant number, since it is smaller than the sum of its proper divisors (2619227646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1772708994 is a wasteful number, since it uses less digits than its factorization.

1772708994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615 (or 7612 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The square root of 1772708994 is about 42103.5508478798. The cubic root of 1772708994 is about 1210.2613086806.

The spelling of 1772708994 in words is "one billion, seven hundred seventy-two million, seven hundred eight thousand, nine hundred ninety-four".