70172004847 has 16 divisors (see below), whose sum is σ = 89383184640. Its totient is φ = 53629907328.

The previous prime is 70172004769. The next prime is 70172004857. The reversal of 70172004847 is 74840027107.

It is a cyclic number.

It is not a de Polignac number, because 70172004847 - 2¹¹ = 70172002799 is a prime.

It is a super-2 number, since 2×70172004847² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70172004857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15515653 + ... + 15520174.

It is an arithmetic number, because the mean of its divisors is an integer number (5586449040).

Almost surely, 2^70172004847 is an apocalyptic number.

70172004847 is a deficient number, since it is larger than the sum of its proper divisors (19211179793).

70172004847 is a wasteful number, since it uses less digits than its factorization.

70172004847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31035870.

The product of its (nonzero) digits is 87808, while the sum is 40.

The spelling of 70172004847 in words is "seventy billion, one hundred seventy-two million, four thousand, eight hundred forty-seven".