70530756 has 24 divisors (see below), whose sum is σ = 174252960. Its totient is φ = 22127232.

The previous prime is 70530743. The next prime is 70530781. The reversal of 70530756 is 65703507.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172666 + ... + 173073.

It is an arithmetic number, because the mean of its divisors is an integer number (7260540).

Almost surely, 2^70530756 is an apocalyptic number.

It is an amenable number.

70530756 is an abundant number, since it is smaller than the sum of its proper divisors (103722204).

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

70530756 is a wasteful number, since it uses less digits than its factorization.

70530756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345763 (or 345761 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 70530756 is about 8398.2591053146. The cubic root of 70530756 is about 413.1675259921.

The spelling of 70530756 in words is "seventy million, five hundred thirty thousand, seven hundred fifty-six".