7172404 has 6 divisors (see below), whose sum is σ = 12551714. Its totient is φ = 3586200.

The previous prime is 7172387. The next prime is 7172411. The reversal of 7172404 is 4042717.

It can be written as a sum of positive squares in only one way, i.e., 4928400 + 2244004 = 2220^2 + 1498^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 896547 + ... + 896554.

Almost surely, 2^7172404 is an apocalyptic number.

It is an amenable number.

7172404 is a deficient number, since it is larger than the sum of its proper divisors (5379310).

7172404 is a wasteful number, since it uses less digits than its factorization.

7172404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793105 (or 1793103 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 7172404 is about 2678.1344253043. The cubic root of 7172404 is about 192.8508606485.

The spelling of 7172404 in words is "seven million, one hundred seventy-two thousand, four hundred four".