70210073430 has 160 divisors (see below), whose sum is σ = 217982673216. Its totient is φ = 15882448896.

The previous prime is 70210073363. The next prime is 70210073441. The reversal of 70210073430 is 3437001207.

It is a super-2 number, since 2×70210073430² (a number of 22 digits) contains 22 as substring.

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 = 70210073394 and 70210073403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 486162 + ... + 613818.

Almost surely, 2^70210073430 is an apocalyptic number.

70210073430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70210073430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108991336608).

70210073430 is an abundant number, since it is smaller than the sum of its proper divisors (147772599786).

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

70210073430 is a wasteful number, since it uses less digits than its factorization.

70210073430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127780 (or 127771 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

Adding to 70210073430 its reverse (3437001207), we get a palindrome (73647074637).

The spelling of 70210073430 in words is "seventy billion, two hundred ten million, seventy-three thousand, four hundred thirty".