3725072 has 20 divisors (see below), whose sum is σ = 7772940. Its totient is φ = 1719168.

The previous prime is 3725069. The next prime is 3725077. The reversal of 3725072 is 2705273.

It can be written as a sum of positive squares in 2 ways, for example, as 1048576 + 2676496 = 1024^2 + 1636^2 .

It is a super-2 number, since 2×3725072² = 27752322810368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (3725077) 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, 8747 + ... + 9162.

It is an arithmetic number, because the mean of its divisors is an integer number (388647).

Almost surely, 2^3725072 is an apocalyptic number.

It is an amenable number.

3725072 is an abundant number, since it is smaller than the sum of its proper divisors (4047868).

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

3725072 is a wasteful number, since it uses less digits than its factorization.

3725072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17930 (or 17924 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 3725072 is about 1930.0445590711. The cubic root of 3725072 is about 155.0166059212.

The spelling of 3725072 in words is "three million, seven hundred twenty-five thousand, seventy-two".