7471992 has 96 divisors (see below), whose sum is σ = 21450240. Its totient is φ = 2164800.

The previous prime is 7471991. The next prime is 7471999. The reversal of 7471992 is 2991747.

It is a self number, because there is not a number n which added to its sum of digits gives 7471992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7471991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89983 + ... + 90065.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

Almost surely, 2^7471992 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 7471992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10725120).

7471992 is an abundant number, since it is smaller than the sum of its proper divisors (13978248).

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

7471992 is a wasteful number, since it uses less digits than its factorization.

7471992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 130 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 7471992 is about 2733.4944667952. The cubic root of 7471992 is about 195.4994167560.

The spelling of 7471992 in words is "seven million, four hundred seventy-one thousand, nine hundred ninety-two".