720032378 has 8 divisors (see below), whose sum is σ = 1163129268. Its totient is φ = 332322624.

The previous prime is 720032363. The next prime is 720032429. The reversal of 720032378 is 873230027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 667860649 + 52171729 = 25843^2 + 7223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13846751 + ... + 13846802.

Almost surely, 2^720032378 is an apocalyptic number.

720032378 is a deficient number, since it is larger than the sum of its proper divisors (443096890).

720032378 is a wasteful number, since it uses less digits than its factorization.

720032378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27693568.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 720032378 is about 26833.4190516229. The cubic root of 720032378 is about 896.2943841955.

The spelling of 720032378 in words is "seven hundred twenty million, thirty-two thousand, three hundred seventy-eight".