722752426 has 8 divisors (see below), whose sum is σ = 1182685824. Its totient is φ = 328523820.

The previous prime is 722752423. The next prime is 722752427. The reversal of 722752426 is 624257227.

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

It is not an unprimeable number, because it can be changed into a prime (722752421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16426170 + ... + 16426213.

It is an arithmetic number, because the mean of its divisors is an integer number (147835728).

Almost surely, 2^722752426 is an apocalyptic number.

722752426 is a deficient number, since it is larger than the sum of its proper divisors (459933398).

722752426 is a wasteful number, since it uses less digits than its factorization.

722752426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32852396.

The product of its digits is 94080, while the sum is 37.

The square root of 722752426 is about 26884.0552372591. The cubic root of 722752426 is about 897.4216021298.

The spelling of 722752426 in words is "seven hundred twenty-two million, seven hundred fifty-two thousand, four hundred twenty-six".