720001382 has 4 divisors (see below), whose sum is σ = 1080002076. Its totient is φ = 360000690.

The previous prime is 720001379. The next prime is 720001393. The reversal of 720001382 is 283100027.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180000344 + ... + 180000347.

It is an arithmetic number, because the mean of its divisors is an integer number (270000519).

Almost surely, 2^720001382 is an apocalyptic number.

720001382 is a deficient number, since it is larger than the sum of its proper divisors (360000694).

720001382 is a wasteful number, since it uses less digits than its factorization.

720001382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360000693.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 720001382 is about 26832.8414820347. The cubic root of 720001382 is about 896.2815227649.

The spelling of 720001382 in words is "seven hundred twenty million, one thousand, three hundred eighty-two".