207973480 has 128 divisors (see below), whose sum is σ = 556657920. Its totient is φ = 68935680.

The previous prime is 207973463. The next prime is 207973489. The reversal of 207973480 is 84379702.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (207973489) 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 31 ways as a sum of consecutive naturals, for example, 588984 + ... + 589336.

It is an arithmetic number, because the mean of its divisors is an integer number (4348890).

Almost surely, 2^207973480 is an apocalyptic number.

207973480 is a gapful number since it is divisible by the number (20) 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 207973480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278328960).

207973480 is an abundant number, since it is smaller than the sum of its proper divisors (348684440).

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

207973480 is a wasteful number, since it uses less digits than its factorization.

207973480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 207973480 is about 14421.2856569725. The cubic root of 207973480 is about 592.4740313946.

The spelling of 207973480 in words is "two hundred seven million, nine hundred seventy-three thousand, four hundred eighty".