919245672 has 112 divisors (see below), whose sum is σ = 2602739040. Its totient is φ = 304220448.

The previous prime is 919245647. The next prime is 919245673. The reversal of 919245672 is 276542919.

919245672 is a `hidden beast` number, since 9 + 192 + 456 + 7 + 2 = 666.

919245672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (919245673) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 950133 + ... + 951099.

Almost surely, 2^919245672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 919245672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301369520).

919245672 is an abundant number, since it is smaller than the sum of its proper divisors (1683493368).

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

919245672 is a wasteful number, since it uses less digits than its factorization.

919245672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1135 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 919245672 is about 30319.0644974412. The cubic root of 919245672 is about 972.3229379625.

The spelling of 919245672 in words is "nine hundred nineteen million, two hundred forty-five thousand, six hundred seventy-two".