4070520 has 64 divisors (see below), whose sum is σ = 13572000. Its totient is φ = 1085184.

The previous prime is 4070519. The next prime is 4070533. The reversal of 4070520 is 250704.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 4070493 and 4070502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805 + ... + 2964.

Almost surely, 2^4070520 is an apocalyptic number.

4070520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4070520 is an abundant number, since it is smaller than the sum of its proper divisors (9501480).

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

4070520 is a wasteful number, since it uses less digits than its factorization.

4070520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 4070520 is about 2017.5529732822. The cubic root of 4070520 is about 159.6675388300.

The spelling of 4070520 in words is "four million, seventy thousand, five hundred twenty".