720396410 has 8 divisors (see below), whose sum is σ = 1296713556. Its totient is φ = 288158560.

The previous prime is 720396407. The next prime is 720396427. The reversal of 720396410 is 14693027.

It can be written as a sum of positive squares in 2 ways, for example, as 664041361 + 56355049 = 25769^2 + 7507^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36019811 + ... + 36019830.

Almost surely, 2^720396410 is an apocalyptic number.

720396410 is a deficient number, since it is larger than the sum of its proper divisors (576317146).

720396410 is a wasteful number, since it uses less digits than its factorization.

720396410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72039648.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 720396410 is about 26840.2013777840. The cubic root of 720396410 is about 896.4454074347.

The spelling of 720396410 in words is "seven hundred twenty million, three hundred ninety-six thousand, four hundred ten".