70223021507 has 4 divisors (see below), whose sum is σ = 74353787496. Its totient is φ = 66092255520.

The previous prime is 70223021497. The next prime is 70223021569. The reversal of 70223021507 is 70512032207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70512032207 = 32999 ⋅2136793.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70223021507 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 70223021507.

It is not an unprimeable number, because it can be changed into a prime (70223021107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2065382969 + ... + 2065383002.

It is an arithmetic number, because the mean of its divisors is an integer number (18588446874).

Almost surely, 2^70223021507 is an apocalyptic number.

70223021507 is a deficient number, since it is larger than the sum of its proper divisors (4130765989).

70223021507 is a wasteful number, since it uses less digits than its factorization.

70223021507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130765988.

The product of its (nonzero) digits is 5880, while the sum is 29.

The spelling of 70223021507 in words is "seventy billion, two hundred twenty-three million, twenty-one thousand, five hundred seven".