722937 has 8 divisors (see below), whose sum is σ = 967936. Its totient is φ = 479952.

The previous prime is 722933. The next prime is 722963. The reversal of 722937 is 739227.

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

It is not a de Polignac number, because 722937 - 2² = 722933 is a prime.

It is a Duffinian number.

722937 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722937.

It is not an unprimeable number, because it can be changed into a prime (722933) 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, 888 + ... + 1494.

It is an arithmetic number, because the mean of its divisors is an integer number (120992).

2⁷²²⁹³⁷ is an apocalyptic number.

It is an amenable number.

722937 is a deficient number, since it is larger than the sum of its proper divisors (244999).

722937 is a wasteful number, since it uses less digits than its factorization.

722937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its digits is 5292, while the sum is 30.

The square root of 722937 is about 850.2570199651. The cubic root of 722937 is about 89.7497989097.

Subtracting 722937 from its reverse (739227), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 722937 in words is "seven hundred twenty-two thousand, nine hundred thirty-seven".