723760650 has 96 divisors (see below), whose sum is σ = 2015287680. Its totient is φ = 190978560.

The previous prime is 723760637. The next prime is 723760657. The reversal of 723760650 is 56067327.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (723760657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128187 + ... + 133713.

It is an arithmetic number, because the mean of its divisors is an integer number (20992580).

Almost surely, 2^723760650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723760650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007643840).

723760650 is an abundant number, since it is smaller than the sum of its proper divisors (1291527030).

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

723760650 is a wasteful number, since it uses less digits than its factorization.

723760650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645 (or 5634 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 723760650 is about 26902.8000401445. The cubic root of 723760650 is about 897.8387028152.

The spelling of 723760650 in words is "seven hundred twenty-three million, seven hundred sixty thousand, six hundred fifty".