70734384 has 240 divisors, whose sum is σ = 246984192. Its totient is φ = 19160064.

The previous prime is 70734347. The next prime is 70734403. The reversal of 70734384 is 48343707.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 625912 + ... + 626024.

Almost surely, 2^70734384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70734384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123492096).

70734384 is an abundant number, since it is smaller than the sum of its proper divisors (176249808).

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

70734384 is a wasteful number, since it uses less digits than its factorization.

70734384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 70734384 is about 8410.3735945557. The cubic root of 70734384 is about 413.5647599819.

The spelling of 70734384 in words is "seventy million, seven hundred thirty-four thousand, three hundred eighty-four".