70385089530 has 32 divisors (see below), whose sum is σ = 193056246144. Its totient is φ = 16088020416.

The previous prime is 70385089513. The next prime is 70385089531. The reversal of 70385089530 is 3598058307.

It is a happy number.

It is a super-2 number, since 2×70385089530² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70385089530.

It is not an unprimeable number, because it can be changed into a prime (70385089531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167583337 + ... + 167583756.

It is an arithmetic number, because the mean of its divisors is an integer number (6033007692).

Almost surely, 2^70385089530 is an apocalyptic number.

70385089530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70385089530 is an abundant number, since it is smaller than the sum of its proper divisors (122671156614).

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

70385089530 is a wasteful number, since it uses less digits than its factorization.

70385089530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335167110.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 70385089530 in words is "seventy billion, three hundred eighty-five million, eighty-nine thousand, five hundred thirty".