720735102 has 12 divisors (see below), whose sum is σ = 1561592760. Its totient is φ = 240245028.

The previous prime is 720735101. The next prime is 720735121. The reversal of 720735102 is 201537027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720735101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20020402 + ... + 20020437.

It is an arithmetic number, because the mean of its divisors is an integer number (130132730).

Almost surely, 2^720735102 is an apocalyptic number.

720735102 is an abundant number, since it is smaller than the sum of its proper divisors (840857658).

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

720735102 is a wasteful number, since it uses less digits than its factorization.

720735102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40040847 (or 40040844 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 720735102 is about 26846.5100525189. The cubic root of 720735102 is about 896.5858723761.

The spelling of 720735102 in words is "seven hundred twenty million, seven hundred thirty-five thousand, one hundred two".