70020571497 has 8 divisors (see below), whose sum is σ = 95637853920. Its totient is φ = 45541835040.

The previous prime is 70020571493. The next prime is 70020571513. The reversal of 70020571497 is 79417502007.

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

It is not a de Polignac number, because 70020571497 - 2² = 70020571493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70020571493) 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, 284636347 + ... + 284636592.

It is an arithmetic number, because the mean of its divisors is an integer number (11954731740).

Almost surely, 2^70020571497 is an apocalyptic number.

It is an amenable number.

70020571497 is a deficient number, since it is larger than the sum of its proper divisors (25617282423).

70020571497 is a wasteful number, since it uses less digits than its factorization.

70020571497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569272983.

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 70020571497 in words is "seventy billion, twenty million, five hundred seventy-one thousand, four hundred ninety-seven".