722661461437 has 8 divisors (see below), whose sum is σ = 722970885312. Its totient is φ = 722352103200.

The previous prime is 722661461429. The next prime is 722661461477. The reversal of 722661461437 is 734164166227.

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

It is a cyclic number.

It is not a de Polignac number, because 722661461437 - 2³ = 722661461429 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 (722661461407) 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, 41293273 + ... + 41310769.

It is an arithmetic number, because the mean of its divisors is an integer number (90371360664).

Almost surely, 2^722661461437 is an apocalyptic number.

It is an amenable number.

722661461437 is a deficient number, since it is larger than the sum of its proper divisors (309423875).

722661461437 is a wasteful number, since it uses less digits than its factorization.

722661461437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32819.

The product of its digits is 2032128, while the sum is 49.

The spelling of 722661461437 in words is "seven hundred twenty-two billion, six hundred sixty-one million, four hundred sixty-one thousand, four hundred thirty-seven".