70749323479 has 8 divisors (see below), whose sum is σ = 70981850240. Its totient is φ = 70517088000.

The previous prime is 70749323473. The next prime is 70749323497. The reversal of 70749323479 is 97432394707.

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 70749323479 - 2⁹ = 70749322967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70749323473) 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, 419194 + ... + 563224.

It is an arithmetic number, because the mean of its divisors is an integer number (8872731280).

Almost surely, 2^70749323479 is an apocalyptic number.

70749323479 is a deficient number, since it is larger than the sum of its proper divisors (232526761).

70749323479 is a wasteful number, since it uses less digits than its factorization.

70749323479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145641.

The product of its (nonzero) digits is 8001504, while the sum is 55.

The spelling of 70749323479 in words is "seventy billion, seven hundred forty-nine million, three hundred twenty-three thousand, four hundred seventy-nine".