1973520 has 60 divisors (see below), whose sum is σ = 6630156. Its totient is φ = 526080.

The previous prime is 1973519. The next prime is 1973527. The reversal of 1973520 is 253791.

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 1327104 = 804^2 + 1152^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (1973527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651 + ... + 2090.

2^1973520 is an apocalyptic number.

1973520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1973520 is an abundant number, since it is smaller than the sum of its proper divisors (4656636).

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

1973520 is a wasteful number, since it uses less digits than its factorization.

1973520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1973520 is about 1404.8202732022. The cubic root of 1973520 is about 125.4335876087.

The spelling of 1973520 in words is "one million, nine hundred seventy-three thousand, five hundred twenty".