8417442072 has 32 divisors (see below), whose sum is σ = 22662344880. Its totient is φ = 2589982080.

The previous prime is 8417442037. The next prime is 8417442079. The reversal of 8417442072 is 2702447148.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 8417442072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8417442079) 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, 13489179 + ... + 13489802.

Almost surely, 2^8417442072 is an apocalyptic number.

It is an amenable number.

8417442072 is an abundant number, since it is smaller than the sum of its proper divisors (14244902808).

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

8417442072 is a wasteful number, since it uses less digits than its factorization.

8417442072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26979003 (or 26978999 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 8417442072 is about 91746.6188586806. The cubic root of 8417442072 is about 2034.1987296751.

The spelling of 8417442072 in words is "eight billion, four hundred seventeen million, four hundred forty-two thousand, seventy-two".