70605520 has 40 divisors (see below), whose sum is σ = 172801440. Its totient is φ = 26755200.

The previous prime is 70605511. The next prime is 70605533. The reversal of 70605520 is 2550607.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21706 + ... + 24745.

It is an arithmetic number, because the mean of its divisors is an integer number (4320036).

Almost surely, 2^70605520 is an apocalyptic number.

It is an amenable number.

70605520 is an abundant number, since it is smaller than the sum of its proper divisors (102195920).

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

70605520 is a wasteful number, since it uses less digits than its factorization.

70605520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46483 (or 46477 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 70605520 is about 8402.7090869552. The cubic root of 70605520 is about 413.3134630291.

The spelling of 70605520 in words is "seventy million, six hundred five thousand, five hundred twenty".