7038725 has 6 divisors (see below), whose sum is σ = 8728050. Its totient is φ = 5630960.

The previous prime is 7038719. The next prime is 7038751. The reversal of 7038725 is 5278307.

It can be written as a sum of positive squares in 3 ways, for example, as 1196836 + 5841889 = 1094^2 + 2417^2 .

It is not a de Polignac number, because 7038725 - 2⁴ = 7038709 is a prime.

It is a super-3 number, since 3×7038725³ (a number of 22 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7038691 and 7038700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140750 + ... + 140799.

It is an arithmetic number, because the mean of its divisors is an integer number (1454675).

Almost surely, 2^7038725 is an apocalyptic number.

It is an amenable number.

7038725 is a deficient number, since it is larger than the sum of its proper divisors (1689325).

7038725 is a wasteful number, since it uses less digits than its factorization.

7038725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281559 (or 281554 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 7038725 is about 2653.0595545521. The cubic root of 7038725 is about 191.6452233940.

The spelling of 7038725 in words is "seven million, thirty-eight thousand, seven hundred twenty-five".