722437 has 8 divisors (see below), whose sum is σ = 777600. Its totient is φ = 669024.

The previous prime is 722431. The next prime is 722459. The reversal of 722437 is 734227.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489 + ... + 1297.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2⁷²²⁴³⁷ is an apocalyptic number.

It is an amenable number.

722437 is a deficient number, since it is larger than the sum of its proper divisors (55163).

722437 is a wasteful number, since it uses less digits than its factorization.

722437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its digits is 2352, while the sum is 25.

The square root of 722437 is about 849.9629403686. The cubic root of 722437 is about 89.7291031234.

The spelling of 722437 in words is "seven hundred twenty-two thousand, four hundred thirty-seven".