70730503729 has 8 divisors (see below), whose sum is σ = 75289716000. Its totient is φ = 66254946912.

The previous prime is 70730503721. The next prime is 70730503757. The reversal of 70730503729 is 92730503707.

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 70730503729 - 2³ = 70730503721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70730503721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20912119 + ... + 20915500.

It is an arithmetic number, because the mean of its divisors is an integer number (9411214500).

Almost surely, 2^70730503729 is an apocalyptic number.

It is an amenable number.

70730503729 is a deficient number, since it is larger than the sum of its proper divisors (4559212271).

70730503729 is a wasteful number, since it uses less digits than its factorization.

70730503729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41827727.

The product of its (nonzero) digits is 277830, while the sum is 43.

The spelling of 70730503729 in words is "seventy billion, seven hundred thirty million, five hundred three thousand, seven hundred twenty-nine".