70072761440 has 48 divisors (see below), whose sum is σ = 180596621520. Its totient is φ = 25481003520.

The previous prime is 70072761419. The next prime is 70072761443. The reversal of 70072761440 is 4416727007.

It is a junction number, because it is equal to n+sod(n) for n = 70072761394 and 70072761403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70072761443) 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, 19905275 + ... + 19908794.

It is an arithmetic number, because the mean of its divisors is an integer number (3762429615).

Almost surely, 2^70072761440 is an apocalyptic number.

It is an amenable number.

70072761440 is an abundant number, since it is smaller than the sum of its proper divisors (110523860080).

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

70072761440 is a wasteful number, since it uses less digits than its factorization.

70072761440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39814095 (or 39814087 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 70072761440 in words is "seventy billion, seventy-two million, seven hundred sixty-one thousand, four hundred forty".