70384149 has 12 divisors (see below), whose sum is σ = 110908512. Its totient is φ = 42657000.

The previous prime is 70384147. The next prime is 70384157. The reversal of 70384149 is 94148307.

It is a happy number.

It is not a de Polignac number, because 70384149 - 2¹ = 70384147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70384141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355377 + ... + 355574.

It is an arithmetic number, because the mean of its divisors is an integer number (9242376).

Almost surely, 2^70384149 is an apocalyptic number.

It is an amenable number.

70384149 is a deficient number, since it is larger than the sum of its proper divisors (40524363).

70384149 is a wasteful number, since it uses less digits than its factorization.

70384149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710968 (or 710965 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70384149 is about 8389.5261487166. The cubic root of 70384149 is about 412.8810539471.

The spelling of 70384149 in words is "seventy million, three hundred eighty-four thousand, one hundred forty-nine".