720669146750 has 128 divisors (see below), whose sum is σ = 1633305772800. Its totient is φ = 232439500800.

The previous prime is 720669146737. The next prime is 720669146809. The reversal of 720669146750 is 57641966027.

It is a junction number, because it is equal to n+sod(n) for n = 720669146692 and 720669146701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79636226 + ... + 79645274.

It is an arithmetic number, because the mean of its divisors is an integer number (12760201350).

Almost surely, 2^720669146750 is an apocalyptic number.

720669146750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

720669146750 is an abundant number, since it is smaller than the sum of its proper divisors (912636626050).

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

720669146750 is a wasteful number, since it uses less digits than its factorization.

720669146750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767 (or 11757 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 720669146750 in words is "seven hundred twenty billion, six hundred sixty-nine million, one hundred forty-six thousand, seven hundred fifty".