7381913 has 8 divisors (see below), whose sum is σ = 9203520. Its totient is φ = 5752080.

The previous prime is 7381909. The next prime is 7381931. The reversal of 7381913 is 3191837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7381913 - 2² = 7381909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7381913.

It is not an unprimeable number, because it can be changed into a prime (7381943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47858 + ... + 48011.

It is an arithmetic number, because the mean of its divisors is an integer number (1150440).

Almost surely, 2^7381913 is an apocalyptic number.

It is an amenable number.

7381913 is a deficient number, since it is larger than the sum of its proper divisors (1821607).

7381913 is a wasteful number, since it uses less digits than its factorization.

7381913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95887.

The product of its digits is 4536, while the sum is 32.

The square root of 7381913 is about 2716.9676111430. The cubic root of 7381913 is about 194.7106205220.

The spelling of 7381913 in words is "seven million, three hundred eighty-one thousand, nine hundred thirteen".