70534530 has 192 divisors, whose sum is σ = 220631040. Its totient is φ = 15966720.

The previous prime is 70534493. The next prime is 70534531. The reversal of 70534530 is 3543507.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70534494 and 70534503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70534531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 555327 + ... + 555453.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^70534530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70534530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110315520).

70534530 is an abundant number, since it is smaller than the sum of its proper divisors (150096510).

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

70534530 is a wasteful number, since it uses less digits than its factorization.

70534530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 70534530 is about 8398.4837917329. The cubic root of 70534530 is about 413.1748951953.

The spelling of 70534530 in words is "seventy million, five hundred thirty-four thousand, five hundred thirty".