70712427240 has 1152 divisors, whose sum is σ = 308331878400. Its totient is φ = 13940398080.

The previous prime is 70712427223. The next prime is 70712427241. The reversal of 70712427240 is 4272421707.

It is a happy number.

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 = 70712427195 and 70712427204.

It is not an unprimeable number, because it can be changed into a prime (70712427241) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2281046025 + ... + 2281046055.

It is an arithmetic number, because the mean of its divisors is an integer number (267649200).

Almost surely, 2^70712427240 is an apocalyptic number.

70712427240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70712427240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154165939200).

70712427240 is an abundant number, since it is smaller than the sum of its proper divisors (237619451160).

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

70712427240 is a wasteful number, since it uses less digits than its factorization.

70712427240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

Adding to 70712427240 its reverse (4272421707), we get a palindrome (74984848947).

The spelling of 70712427240 in words is "seventy billion, seven hundred twelve million, four hundred twenty-seven thousand, two hundred forty".