70713309810 has 256 divisors, whose sum is σ = 208740188160. Its totient is φ = 15095808000.

The previous prime is 70713309761. The next prime is 70713309817. The reversal of 70713309810 is 1890331707.

It is a happy number.

It is a super-2 number, since 2×70713309810² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (70713309817) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9438546 + ... + 9446034.

It is an arithmetic number, because the mean of its divisors is an integer number (815391360).

Almost surely, 2^70713309810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70713309810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104370094080).

70713309810 is an abundant number, since it is smaller than the sum of its proper divisors (138026878350).

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

70713309810 is a wasteful number, since it uses less digits than its factorization.

70713309810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625.

The product of its (nonzero) digits is 31752, while the sum is 39.

The spelling of 70713309810 in words is "seventy billion, seven hundred thirteen million, three hundred nine thousand, eight hundred ten".