7007381 has 4 divisors (see below), whose sum is σ = 7052172. Its totient is φ = 6962592.

The previous prime is 7007369. The next prime is 7007389. The reversal of 7007381 is 1837007.

7007381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4268356 + 2739025 = 2066^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 7007381 - 2⁶ = 7007317 is a prime.

It is a super-2 number, since 2×7007381² = 98206776958322, which contains 22 as substring.

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 7007381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7007389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22160 + ... + 22473.

It is an arithmetic number, because the mean of its divisors is an integer number (1763043).

Almost surely, 2^7007381 is an apocalyptic number.

It is an amenable number.

7007381 is a deficient number, since it is larger than the sum of its proper divisors (44791).

7007381 is a wasteful number, since it uses less digits than its factorization.

7007381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44790.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 7007381 is about 2647.1458214462. The cubic root of 7007381 is about 191.3603296361.

The spelling of 7007381 in words is "seven million, seven thousand, three hundred eighty-one".