7531379 has 4 divisors (see below), whose sum is σ = 7565376. Its totient is φ = 7497384.

The previous prime is 7531369. The next prime is 7531397. The reversal of 7531379 is 9731357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9731357 = 1949 ⋅4993.

It is a cyclic number.

It is not a de Polignac number, because 7531379 - 2¹² = 7527283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7531319) 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, 16664 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (1891344).

Almost surely, 2^7531379 is an apocalyptic number.

7531379 is a deficient number, since it is larger than the sum of its proper divisors (33997).

7531379 is a wasteful number, since it uses less digits than its factorization.

7531379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33996.

The product of its digits is 19845, while the sum is 35.

The square root of 7531379 is about 2744.3358030678. The cubic root of 7531379 is about 196.0159902961.

The spelling of 7531379 in words is "seven million, five hundred thirty-one thousand, three hundred seventy-nine".