303696720 has 60 divisors (see below), whose sum is σ = 1019917236. Its totient is φ = 80985600.

The previous prime is 303696707. The next prime is 303696727. The reversal of 303696720 is 27696303.

It can be written as a sum of positive squares in 2 ways, for example, as 212226624 + 91470096 = 14568^2 + 9564^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303696727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210181 + ... + 211620.

Almost surely, 2^303696720 is an apocalyptic number.

303696720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

303696720 is an abundant number, since it is smaller than the sum of its proper divisors (716220516).

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

303696720 is a wasteful number, since it uses less digits than its factorization.

303696720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421820 (or 421811 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 303696720 is about 17426.8964534710. The cubic root of 303696720 is about 672.1714061059.

The spelling of 303696720 in words is "three hundred three million, six hundred ninety-six thousand, seven hundred twenty".