7725057 has 4 divisors (see below), whose sum is σ = 10300080. Its totient is φ = 5150036.

The previous prime is 7725043. The next prime is 7725071. The reversal of 7725057 is 7505277.

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.

It is an interprime number because it is at equal distance from previous prime (7725043) and next prime (7725071).

It is a cyclic number.

It is not a de Polignac number, because 7725057 - 2¹⁰ = 7724033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7725017) 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, 1287507 + ... + 1287512.

It is an arithmetic number, because the mean of its divisors is an integer number (2575020).

It is a Proth number, since it is equal to 943 ⋅ 2¹³ + 1 and 943 < 2¹³.

Almost surely, 2^7725057 is an apocalyptic number.

It is an amenable number.

7725057 is a deficient number, since it is larger than the sum of its proper divisors (2575023).

7725057 is a wasteful number, since it uses less digits than its factorization.

7725057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575022.

The product of its (nonzero) digits is 17150, while the sum is 33.

The square root of 7725057 is about 2779.3986759729. The cubic root of 7725057 is about 197.6820476012.

The spelling of 7725057 in words is "seven million, seven hundred twenty-five thousand, fifty-seven".