720234757350 has 144 divisors (see below), whose sum is σ = 1940779554480. Its totient is φ = 191492985600.

The previous prime is 720234757343. The next prime is 720234757373. The reversal of 720234757350 is 53757432027.

It is a happy number.

720234757350 is a `hidden beast` number, since 7 + 2 + 0 + 23 + 4 + 7 + 573 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 720234757296 and 720234757305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 295540332 + ... + 295542768.

It is an arithmetic number, because the mean of its divisors is an integer number (13477635795).

Almost surely, 2^720234757350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720234757350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970389777240).

720234757350 is an abundant number, since it is smaller than the sum of its proper divisors (1220544797130).

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

720234757350 is a wasteful number, since it uses less digits than its factorization.

720234757350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 45.

The spelling of 720234757350 in words is "seven hundred twenty billion, two hundred thirty-four million, seven hundred fifty-seven thousand, three hundred fifty".