7212474 has 48 divisors (see below), whose sum is σ = 16609320. Its totient is φ = 2257920.

The previous prime is 7212397. The next prime is 7212487. The reversal of 7212474 is 4742127.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3629025 + 3583449 = 1905^2 + 1893^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21234 + ... + 21570.

Almost surely, 2^7212474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7212474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8304660).

7212474 is an abundant number, since it is smaller than the sum of its proper divisors (9396846).

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

7212474 is a wasteful number, since it uses less digits than its factorization.

7212474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 412 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 7212474 is about 2685.6049597809. The cubic root of 7212474 is about 193.2093266076.

The spelling of 7212474 in words is "seven million, two hundred twelve thousand, four hundred seventy-four".