7215474 has 32 divisors (see below), whose sum is σ = 16617600. Its totient is φ = 2045952.

The previous prime is 7215457. The next prime is 7215479. The reversal of 7215474 is 4745127.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7215479) 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, 5682 + ... + 6834.

It is an arithmetic number, because the mean of its divisors is an integer number (519300).

Almost surely, 2^7215474 is an apocalyptic number.

7215474 is an abundant number, since it is smaller than the sum of its proper divisors (9402126).

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

7215474 is a wasteful number, since it uses less digits than its factorization.

7215474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314.

The product of its digits is 7840, while the sum is 30.

The square root of 7215474 is about 2686.1634350873. The cubic root of 7215474 is about 193.2361111124.

The spelling of 7215474 in words is "seven million, two hundred fifteen thousand, four hundred seventy-four".