70706448 has 120 divisors (see below), whose sum is σ = 213493280. Its totient is φ = 21772800.

The previous prime is 70706431. The next prime is 70706459. The reversal of 70706448 is 84460707.

It is a happy number.

70706448 is a `hidden beast` number, since 7 + 0 + 7 + 0 + 644 + 8 = 666.

70706448 is nontrivially palindromic in base 7.

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 23 ways as a sum of consecutive naturals, for example, 117348 + ... + 117948.

Almost surely, 2^70706448 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 70706448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106746640).

70706448 is an abundant number, since it is smaller than the sum of its proper divisors (142786832).

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

70706448 is a wasteful number, since it uses less digits than its factorization.

70706448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70706448 is about 8408.7126244152. The cubic root of 70706448 is about 413.5103080743.

The spelling of 70706448 in words is "seventy million, seven hundred six thousand, four hundred forty-eight".