70504830 has 160 divisors (see below), whose sum is σ = 212956128. Its totient is φ = 16588800.

The previous prime is 70504817. The next prime is 70504859. The reversal of 70504830 is 3840507.

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 = 70504794 and 70504803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 365214 + ... + 365406.

Almost surely, 2^70504830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70504830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106478064).

70504830 is an abundant number, since it is smaller than the sum of its proper divisors (142451298).

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

70504830 is a wasteful number, since it uses less digits than its factorization.

70504830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70504830 is about 8396.7154292616. The cubic root of 70504830 is about 413.1168951531.

It can be divided in two parts, 705048 and 30, that added together give a triangular number (705078 = T₁₁₈₇).

The spelling of 70504830 in words is "seventy million, five hundred four thousand, eight hundred thirty".