70384540 has 12 divisors (see below), whose sum is σ = 147807576. Its totient is φ = 28153808.

The previous prime is 70384529. The next prime is 70384547. The reversal of 70384540 is 4548307.

70384540 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70384547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759594 + ... + 1759633.

It is an arithmetic number, because the mean of its divisors is an integer number (12317298).

Almost surely, 2^70384540 is an apocalyptic number.

It is an amenable number.

70384540 is an abundant number, since it is smaller than the sum of its proper divisors (77423036).

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

70384540 is a wasteful number, since it uses less digits than its factorization.

70384540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519236 (or 3519234 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 70384540 is about 8389.5494515498. The cubic root of 70384540 is about 412.8818184952.

The spelling of 70384540 in words is "seventy million, three hundred eighty-four thousand, five hundred forty".