720725142 has 32 divisors (see below), whose sum is σ = 1486092384. Its totient is φ = 232876800.

The previous prime is 720725141. The next prime is 720725191. The reversal of 720725142 is 241527027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720725141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29292 + ... + 47952.

It is an arithmetic number, because the mean of its divisors is an integer number (46440387).

Almost surely, 2^720725142 is an apocalyptic number.

720725142 is an abundant number, since it is smaller than the sum of its proper divisors (765367242).

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

720725142 is a wasteful number, since it uses less digits than its factorization.

720725142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18864.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 720725142 is about 26846.3245529067. The cubic root of 720725142 is about 896.5817423167.

The spelling of 720725142 in words is "seven hundred twenty million, seven hundred twenty-five thousand, one hundred forty-two".