70138484 has 24 divisors (see below), whose sum is σ = 132488160. Its totient is φ = 32297184.

The previous prime is 70138463. The next prime is 70138489. The reversal of 70138484 is 48483107.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70138489) 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 7 ways as a sum of consecutive naturals, for example, 25907 + ... + 28485.

It is an arithmetic number, because the mean of its divisors is an integer number (5520340).

Almost surely, 2^70138484 is an apocalyptic number.

It is an amenable number.

70138484 is a deficient number, since it is larger than the sum of its proper divisors (62349676).

70138484 is a wasteful number, since it uses less digits than its factorization.

70138484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 70138484 is about 8374.8721781290. The cubic root of 70138484 is about 412.4001281326.

The spelling of 70138484 in words is "seventy million, one hundred thirty-eight thousand, four hundred eighty-four".