720677364 has 24 divisors (see below), whose sum is σ = 1834451808. Its totient is φ = 218387040.

The previous prime is 720677359. The next prime is 720677369. The reversal of 720677364 is 463776027.

It is an interprime number because it is at equal distance from previous prime (720677359) and next prime (720677369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720677369) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2729707 + ... + 2729970.

It is an arithmetic number, because the mean of its divisors is an integer number (76435492).

Almost surely, 2^720677364 is an apocalyptic number.

It is an amenable number.

720677364 is an abundant number, since it is smaller than the sum of its proper divisors (1113774444).

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

720677364 is a wasteful number, since it uses less digits than its factorization.

720677364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459695 (or 5459693 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 720677364 is about 26845.4346956796. The cubic root of 720677364 is about 896.5619299422.

The spelling of 720677364 in words is "seven hundred twenty million, six hundred seventy-seven thousand, three hundred sixty-four".