8070420 has 24 divisors (see below), whose sum is σ = 22597344. Its totient is φ = 2152096.

The previous prime is 8070409. The next prime is 8070437. The reversal of 8070420 is 240708.

It is a happy number.

8070420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 67194 + ... + 67313.

It is an arithmetic number, because the mean of its divisors is an integer number (941556).

Almost surely, 2^8070420 is an apocalyptic number.

It is an amenable number.

8070420 is an abundant number, since it is smaller than the sum of its proper divisors (14526924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8070420 is a wasteful number, since it uses less digits than its factorization.

8070420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134519 (or 134517 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8070420 is about 2840.8484648077. The cubic root of 8070420 is about 200.5851198378.

It can be divided in two parts, 80 and 70420, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 8070420 in words is "eight million, seventy thousand, four hundred twenty".