70535480 has 64 divisors (see below), whose sum is σ = 169551360. Its totient is φ = 26345088.

The previous prime is 70535417. The next prime is 70535497. The reversal of 70535480 is 8453507.

It is a happy number.

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, 38669 + ... + 40451.

It is an arithmetic number, because the mean of its divisors is an integer number (2649240).

Almost surely, 2^70535480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70535480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84775680).

70535480 is an abundant number, since it is smaller than the sum of its proper divisors (99015880).

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

70535480 is a wasteful number, since it uses less digits than its factorization.

70535480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 70535480 is about 8398.5403493702. The cubic root of 70535480 is about 413.1767501468.

Adding to 70535480 its reverse (8453507), we get a palindrome (78988987).

The spelling of 70535480 in words is "seventy million, five hundred thirty-five thousand, four hundred eighty".