70781299990 has 8 divisors (see below), whose sum is σ = 127406340000. Its totient is φ = 28312519992.

The previous prime is 70781299987. The next prime is 70781299999. The reversal of 70781299990 is 9999218707.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70781299999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3539064990 + ... + 3539065009.

It is an arithmetic number, because the mean of its divisors is an integer number (15925792500).

Almost surely, 2^70781299990 is an apocalyptic number.

70781299990 is a deficient number, since it is larger than the sum of its proper divisors (56625040010).

70781299990 is a wasteful number, since it uses less digits than its factorization.

70781299990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078130006.

The product of its (nonzero) digits is 5143824, while the sum is 61.

The spelling of 70781299990 in words is "seventy billion, seven hundred eighty-one million, two hundred ninety-nine thousand, nine hundred ninety".