7725473 has 4 divisors (see below), whose sum is σ = 8829120. Its totient is φ = 6621828.

The previous prime is 7725469. The next prime is 7725503. The reversal of 7725473 is 3745277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3745277 = 173 ⋅21649.

It is a cyclic number.

It is not a de Polignac number, because 7725473 - 2² = 7725469 is a prime.

It is a d-powerful number, because it can be written as 7² + 7⁷ + 2¹³ + 5⁷ + 4¹⁰ + 7⁸ + 3⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7725433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551813 + ... + 551826.

It is an arithmetic number, because the mean of its divisors is an integer number (2207280).

Almost surely, 2^7725473 is an apocalyptic number.

It is an amenable number.

7725473 is a deficient number, since it is larger than the sum of its proper divisors (1103647).

7725473 is a wasteful number, since it uses less digits than its factorization.

7725473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103646.

The product of its digits is 41160, while the sum is 35.

The square root of 7725473 is about 2779.4735112967. The cubic root of 7725473 is about 197.6855959787.

The spelling of 7725473 in words is "seven million, seven hundred twenty-five thousand, four hundred seventy-three".