70304539 has 8 divisors (see below), whose sum is σ = 70856640. Its totient is φ = 69755136.

The previous prime is 70304519. The next prime is 70304557. The reversal of 70304539 is 93540307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70304539 - 2⁷ = 70304411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70304539.

It is not an unprimeable number, because it can be changed into a prime (70304519) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97422 + ... + 98140.

It is an arithmetic number, because the mean of its divisors is an integer number (8857080).

Almost surely, 2^70304539 is an apocalyptic number.

70304539 is a deficient number, since it is larger than the sum of its proper divisors (552101).

70304539 is a wasteful number, since it uses less digits than its factorization.

70304539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 70304539 is about 8384.7801998621. The cubic root of 70304539 is about 412.7253282541.

The spelling of 70304539 in words is "seventy million, three hundred four thousand, five hundred thirty-nine".