547191672 has 64 divisors (see below), whose sum is σ = 1403896320. Its totient is φ = 177646848.

The previous prime is 547191661. The next prime is 547191679. The reversal of 547191672 is 276191745.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547191679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254988 + ... + 257124.

It is an arithmetic number, because the mean of its divisors is an integer number (21935880).

Almost surely, 2^547191672 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 547191672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701948160).

547191672 is an abundant number, since it is smaller than the sum of its proper divisors (856704648).

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

547191672 is a wasteful number, since it uses less digits than its factorization.

547191672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420 (or 2416 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 547191672 is about 23392.1284196201. The cubic root of 547191672 is about 817.9243916782.

The spelling of 547191672 in words is "five hundred forty-seven million, one hundred ninety-one thousand, six hundred seventy-two".