7725379 has 4 divisors (see below), whose sum is σ = 7764400. Its totient is φ = 7686360.

The previous prime is 7725373. The next prime is 7725407. The reversal of 7725379 is 9735277.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7725379 - 2¹³ = 7717187 is a prime.

It is a Duffinian number.

7725379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7725373) 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, 19212 + ... + 19609.

It is an arithmetic number, because the mean of its divisors is an integer number (1941100).

Almost surely, 2^7725379 is an apocalyptic number.

7725379 is a deficient number, since it is larger than the sum of its proper divisors (39021).

7725379 is a wasteful number, since it uses less digits than its factorization.

7725379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39020.

The product of its digits is 92610, while the sum is 40.

The square root of 7725379 is about 2779.4566015680. The cubic root of 7725379 is about 197.6847941930.

The spelling of 7725379 in words is "seven million, seven hundred twenty-five thousand, three hundred seventy-nine".