720337622 has 4 divisors (see below), whose sum is σ = 1080506436. Its totient is φ = 360168810.

The previous prime is 720337601. The next prime is 720337649. The reversal of 720337622 is 226733027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226733027 = 673 ⋅336899.

It is a super-2 number, since 2×720337622² = 1037772579337229768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180084404 + ... + 180084407.

It is an arithmetic number, because the mean of its divisors is an integer number (270126609).

Almost surely, 2^720337622 is an apocalyptic number.

720337622 is a deficient number, since it is larger than the sum of its proper divisors (360168814).

720337622 is a wasteful number, since it uses less digits than its factorization.

720337622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360168813.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 720337622 is about 26839.1062071746. The cubic root of 720337622 is about 896.4210219411.

The spelling of 720337622 in words is "seven hundred twenty million, three hundred thirty-seven thousand, six hundred twenty-two".