949722172 has 12 divisors (see below), whose sum is σ = 1899444400. Its totient is φ = 407023776.

The previous prime is 949722157. The next prime is 949722181. The reversal of 949722172 is 271227949.

949722172 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16959297 + ... + 16959352.

Almost surely, 2^949722172 is an apocalyptic number.

It is an amenable number.

949722172 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.

949722172 is a wasteful number, since it uses less digits than its factorization.

949722172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33918660 (or 33918658 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 949722172 is about 30817.5627199816. The cubic root of 949722172 is about 982.9517322214.

The spelling of 949722172 in words is "nine hundred forty-nine million, seven hundred twenty-two thousand, one hundred seventy-two".