7482381 has 8 divisors (see below), whose sum is σ = 10164960. Its totient is φ = 4894032.

The previous prime is 7482347. The next prime is 7482389. The reversal of 7482381 is 1832847.

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

It is not a de Polignac number, because 7482381 - 2⁶ = 7482317 is a prime.

It is a super-3 number, since 3×7482381³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7482389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23371 + ... + 23688.

It is an arithmetic number, because the mean of its divisors is an integer number (1270620).

Almost surely, 2^7482381 is an apocalyptic number.

It is an amenable number.

7482381 is a deficient number, since it is larger than the sum of its proper divisors (2682579).

7482381 is a wasteful number, since it uses less digits than its factorization.

7482381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47115.

The product of its digits is 10752, while the sum is 33.

The square root of 7482381 is about 2735.3941215116. The cubic root of 7482381 is about 195.5899817553.

The spelling of 7482381 in words is "seven million, four hundred eighty-two thousand, three hundred eighty-one".