8070431 has 4 divisors (see below), whose sum is σ = 8161200. Its totient is φ = 7979664.

The previous prime is 8070409. The next prime is 8070437. The reversal of 8070431 is 1340708.

It is a happy number.

8070431 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8070431 is a prime.

It is a super-2 number, since 2×8070431² = 130263713051522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8070397 and 8070406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8070437) 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, 45251 + ... + 45428.

It is an arithmetic number, because the mean of its divisors is an integer number (2040300).

Almost surely, 2^8070431 is an apocalyptic number.

8070431 is a deficient number, since it is larger than the sum of its proper divisors (90769).

8070431 is an equidigital number, since it uses as much as digits as its factorization.

8070431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90768.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8070431 is about 2840.8504008483. The cubic root of 8070431 is about 200.5852109704.

The spelling of 8070431 in words is "eight million, seventy thousand, four hundred thirty-one".