720422942 has 8 divisors (see below), whose sum is σ = 1095854832. Its totient is φ = 355138000.

The previous prime is 720422939. The next prime is 720422953. The reversal of 720422942 is 249224027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 720422899 and 720422908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536559 + ... + 2536842.

It is an arithmetic number, because the mean of its divisors is an integer number (136981854).

Almost surely, 2^720422942 is an apocalyptic number.

720422942 is a deficient number, since it is larger than the sum of its proper divisors (375431890).

720422942 is a wasteful number, since it uses less digits than its factorization.

720422942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073474.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 720422942 is about 26840.6956318200. The cubic root of 720422942 is about 896.4564125782.

Adding to 720422942 its reverse (249224027), we get a palindrome (969646969).

The spelling of 720422942 in words is "seven hundred twenty million, four hundred twenty-two thousand, nine hundred forty-two".