873722406 has 8 divisors (see below), whose sum is σ = 1747444824. Its totient is φ = 291240800.

The previous prime is 873722393. The next prime is 873722407. The reversal of 873722406 is 604227378.

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

873722406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873722407) 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, 72810195 + ... + 72810206.

It is an arithmetic number, because the mean of its divisors is an integer number (218430603).

Almost surely, 2^873722406 is an apocalyptic number.

873722406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873722406 is a wasteful number, since it uses less digits than its factorization.

873722406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145620406.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 873722406 is about 29558.7957467824. The cubic root of 873722406 is about 955.9998504636. Note that the first 3 decimals are identical.

The spelling of 873722406 in words is "eight hundred seventy-three million, seven hundred twenty-two thousand, four hundred six".