8378071 has 16 divisors (see below), whose sum is σ = 9495360. Its totient is φ = 7338240.

The previous prime is 8378057. The next prime is 8378087. The reversal of 8378071 is 1708738.

It is a happy number.

It is not a de Polignac number, because 8378071 - 2⁵ = 8378039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26611 + ... + 26923.

It is an arithmetic number, because the mean of its divisors is an integer number (593460).

Almost surely, 2^8378071 is an apocalyptic number.

8378071 is a deficient number, since it is larger than the sum of its proper divisors (1117289).

8378071 is a wasteful number, since it uses less digits than its factorization.

8378071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 8378071 is about 2894.4897650536. The cubic root of 8378071 is about 203.1022239078.

The spelling of 8378071 in words is "eight million, three hundred seventy-eight thousand, seventy-one".