70806629490 has 32 divisors (see below), whose sum is σ = 178879907520. Its totient is φ = 17887990464.

The previous prime is 70806629459. The next prime is 70806629497. The reversal of 70806629490 is 9492660807.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70806629497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62110509 + ... + 62111648.

It is an arithmetic number, because the mean of its divisors is an integer number (5589997110).

Almost surely, 2^70806629490 is an apocalyptic number.

70806629490 is an abundant number, since it is smaller than the sum of its proper divisors (108073278030).

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

70806629490 is a wasteful number, since it uses less digits than its factorization.

70806629490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124222186.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 70806629490 in words is "seventy billion, eight hundred six million, six hundred twenty-nine thousand, four hundred ninety".