973773840 has 80 divisors (see below), whose sum is σ = 3250916928. Its totient is φ = 239697408.

The previous prime is 973773809. The next prime is 973773841. The reversal of 973773840 is 48377379.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 973773840.

It is not an unprimeable number, because it can be changed into a prime (973773841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152934 + ... + 159173.

Almost surely, 2^973773840 is an apocalyptic number.

It is an amenable number.

973773840 is an abundant number, since it is smaller than the sum of its proper divisors (2277143088).

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

973773840 is a wasteful number, since it uses less digits than its factorization.

973773840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312136 (or 312130 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 973773840 is about 31205.3495413847. The cubic root of 973773840 is about 991.1803898223.

The spelling of 973773840 in words is "nine hundred seventy-three million, seven hundred seventy-three thousand, eight hundred forty".