1972732 has 24 divisors (see below), whose sum is σ = 3684240. Its totient is φ = 921600.

The previous prime is 1972721. The next prime is 1972739. The reversal of 1972732 is 2372791.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1972694 and 1972703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7548 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (153510).

2^1972732 is an apocalyptic number.

It is an amenable number.

1972732 is a deficient number, since it is larger than the sum of its proper divisors (1711508).

1972732 is a wasteful number, since it uses less digits than its factorization.

1972732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its digits is 5292, while the sum is 31.

The square root of 1972732 is about 1404.5397822775. The cubic root of 1972732 is about 125.4168907379.

It can be divided in two parts, 1972 and 732, that added together give a square (2704 = 52²).

The spelling of 1972732 in words is "one million, nine hundred seventy-two thousand, seven hundred thirty-two".