1972772 has 6 divisors (see below), whose sum is σ = 3452358. Its totient is φ = 986384.

The previous prime is 1972741. The next prime is 1972777. The reversal of 1972772 is 2772791.

It can be written as a sum of positive squares in only one way, i.e., 1290496 + 682276 = 1136^2 + 826^2 .

It is not an unprimeable number, because it can be changed into a prime (1972777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246593 + ... + 246600.

It is an arithmetic number, because the mean of its divisors is an integer number (575393).

2^1972772 is an apocalyptic number.

It is an amenable number.

1972772 is a deficient number, since it is larger than the sum of its proper divisors (1479586).

1972772 is a wasteful number, since it uses less digits than its factorization.

1972772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493197 (or 493195 counting only the distinct ones).

The product of its digits is 12348, while the sum is 35.

The square root of 1972772 is about 1404.5540217450. The cubic root of 1972772 is about 125.4177384019.

It can be divided in two parts, 1972 and 772, that added together give a cube (2744 = 14³).

The spelling of 1972772 in words is "one million, nine hundred seventy-two thousand, seven hundred seventy-two".