1772273992 has 32 divisors (see below), whose sum is σ = 3420316800. Its totient is φ = 860558400.

The previous prime is 1772273969. The next prime is 1772274019. The reversal of 1772273992 is 2993722771.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15567 + ... + 61537.

It is an arithmetic number, because the mean of its divisors is an integer number (106884900).

Almost surely, 2^1772273992 is an apocalyptic number.

It is an amenable number.

1772273992 is a deficient number, since it is larger than the sum of its proper divisors (1648042808).

1772273992 is a wasteful number, since it uses less digits than its factorization.

1772273992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46117 (or 46113 counting only the distinct ones).

The product of its digits is 666792, while the sum is 49.

The square root of 1772273992 is about 42098.3846720988. The cubic root of 1772273992 is about 1210.1623059376.

The spelling of 1772273992 in words is "one billion, seven hundred seventy-two million, two hundred seventy-three thousand, nine hundred ninety-two".