720614016 has 64 divisors (see below), whose sum is σ = 2126822400. Its totient is φ = 240203520.

The previous prime is 720613973. The next prime is 720614017. The reversal of 720614016 is 610416027.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (720614017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100800 + ... + 107711.

It is an arithmetic number, because the mean of its divisors is an integer number (33231600).

Almost surely, 2^720614016 is an apocalyptic number.

It is an amenable number.

720614016 is an abundant number, since it is smaller than the sum of its proper divisors (1406208384).

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

720614016 is a wasteful number, since it uses less digits than its factorization.

720614016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208534 (or 208516 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 720614016 is about 26844.2548043338. The cubic root of 720614016 is about 896.5356597173.

The spelling of 720614016 in words is "seven hundred twenty million, six hundred fourteen thousand, sixteen".