70780437504 has 264 divisors, whose sum is σ = 236002527488. Its totient is φ = 20012728320.

The previous prime is 70780437503. The next prime is 70780437529. The reversal of 70780437504 is 40573408707.

70780437504 is a `hidden beast` number, since 70 + 78 + 0 + 4 + 3 + 7 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 70780437504.

It is not an unprimeable number, because it can be changed into a prime (70780437503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6252009 + ... + 6263319.

Almost surely, 2^70780437504 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 70780437504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118001263744).

70780437504 is an abundant number, since it is smaller than the sum of its proper divisors (165222089984).

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

70780437504 is a wasteful number, since it uses less digits than its factorization.

70780437504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11441 (or 11420 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 70780437504 in words is "seventy billion, seven hundred eighty million, four hundred thirty-seven thousand, five hundred four".