973893780 has 120 divisors (see below), whose sum is σ = 3092376672. Its totient is φ = 256540608.

The previous prime is 973893769. The next prime is 973893797. The reversal of 973893780 is 87398379.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 130839 + ... + 138081.

Almost surely, 2^973893780 is an apocalyptic number.

973893780 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 973893780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546188336).

973893780 is an abundant number, since it is smaller than the sum of its proper divisors (2118482892).

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

973893780 is a wasteful number, since it uses less digits than its factorization.

973893780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347 (or 7336 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 973893780 is about 31207.2712680875. The cubic root of 973893780 is about 991.2210828082.

The spelling of 973893780 in words is "nine hundred seventy-three million, eight hundred ninety-three thousand, seven hundred eighty".