720567375 has 64 divisors (see below), whose sum is σ = 1314593280. Its totient is φ = 347616000.

The previous prime is 720567371. The next prime is 720567461. The reversal of 720567375 is 573765027.

It is not a de Polignac number, because 720567375 - 2² = 720567371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720567371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1266091 + ... + 1266659.

It is an arithmetic number, because the mean of its divisors is an integer number (20540520).

Almost surely, 2^720567375 is an apocalyptic number.

720567375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

720567375 is a deficient number, since it is larger than the sum of its proper divisors (594025905).

720567375 is a wasteful number, since it uses less digits than its factorization.

720567375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 720567375 is about 26843.3860569042. The cubic root of 720567375 is about 896.5163168509.

The spelling of 720567375 in words is "seven hundred twenty million, five hundred sixty-seven thousand, three hundred seventy-five".