1772490196 has 6 divisors (see below), whose sum is σ = 3101857850. Its totient is φ = 886245096.

The previous prime is 1772490133. The next prime is 1772490197. The reversal of 1772490196 is 6910942771.

It can be written as a sum of positive squares in only one way, i.e., 1646736400 + 125753796 = 40580^2 + 11214^2 .

It is a super-2 number, since 2×1772490196² = 6283442989832236832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772490197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221561271 + ... + 221561278.

Almost surely, 2^1772490196 is an apocalyptic number.

It is an amenable number.

1772490196 is a deficient number, since it is larger than the sum of its proper divisors (1329367654).

1772490196 is a wasteful number, since it uses less digits than its factorization.

1772490196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443122553 (or 443122551 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 1772490196 is about 42100.9524357823. The cubic root of 1772490196 is about 1210.2115141477.

The spelling of 1772490196 in words is "one billion, seven hundred seventy-two million, four hundred ninety thousand, one hundred ninety-six".