70112474640 has 320 divisors, whose sum is σ = 264988039680. Its totient is φ = 16932464640.

The previous prime is 70112474623. The next prime is 70112474647. The reversal of 70112474640 is 4647421107.

It is a happy number.

70112474640 is a `hidden beast` number, since 7 + 0 + 1 + 1 + 2 + 4 + 7 + 4 + 640 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70112474595 and 70112474604.

It is not an unprimeable number, because it can be changed into a prime (70112474647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1464685 + ... + 1511795.

It is an arithmetic number, because the mean of its divisors is an integer number (828087624).

Almost surely, 2^70112474640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70112474640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132494019840).

70112474640 is an abundant number, since it is smaller than the sum of its proper divisors (194875565040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70112474640 is a wasteful number, since it uses less digits than its factorization.

70112474640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47199 (or 47187 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 70112474640 its reverse (4647421107), we get a palindrome (74759895747).

The spelling of 70112474640 in words is "seventy billion, one hundred twelve million, four hundred seventy-four thousand, six hundred forty".