1070065520 has 20 divisors (see below), whose sum is σ = 2487902520. Its totient is φ = 428026176.

The previous prime is 1070065487. The next prime is 1070065531. The reversal of 1070065520 is 255600701.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1070065520² = 2290080434185740800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1070065520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6687830 + ... + 6687989.

It is an arithmetic number, because the mean of its divisors is an integer number (124395126).

Almost surely, 2^1070065520 is an apocalyptic number.

1070065520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1070065520 is an abundant number, since it is smaller than the sum of its proper divisors (1417837000).

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

1070065520 is a wasteful number, since it uses less digits than its factorization.

1070065520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375832 (or 13375826 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1070065520 is about 32711.8559546841. The cubic root of 1070065520 is about 1022.8299981204.

The spelling of 1070065520 in words is "one billion, seventy million, sixty-five thousand, five hundred twenty".