720747950 has 48 divisors (see below), whose sum is σ = 1446938640. Its totient is φ = 265528320.

The previous prime is 720747949. The next prime is 720747971. The reversal of 720747950 is 59747027.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 720747898 and 720747907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380606 + ... + 382494.

It is an arithmetic number, because the mean of its divisors is an integer number (30144555).

Almost surely, 2^720747950 is an apocalyptic number.

720747950 is an abundant number, since it is smaller than the sum of its proper divisors (726190690).

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

720747950 is a wasteful number, since it uses less digits than its factorization.

720747950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 720747950 is about 26846.7493376759. The cubic root of 720747950 is about 896.5911999307.

The spelling of 720747950 in words is "seven hundred twenty million, seven hundred forty-seven thousand, nine hundred fifty".