1973685432 has 64 divisors (see below), whose sum is σ = 5099996160. Its totient is φ = 635846400.

The previous prime is 1973685421. The next prime is 1973685433. The reversal of 1973685432 is 2345863791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973685433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864132 + ... + 866412.

It is an arithmetic number, because the mean of its divisors is an integer number (79687440).

Almost surely, 2^1973685432 is an apocalyptic number.

1973685432 is a gapful number since it is divisible by the number (12) 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 1973685432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2549998080).

1973685432 is an abundant number, since it is smaller than the sum of its proper divisors (3126310728).

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

1973685432 is a wasteful number, since it uses less digits than its factorization.

1973685432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484 (or 3480 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 1973685432 is about 44426.1795791626. The cubic root of 1973685432 is about 1254.3709236994.

The spelling of 1973685432 in words is "one billion, nine hundred seventy-three million, six hundred eighty-five thousand, four hundred thirty-two".