71620025046 has 16 divisors (see below), whose sum is σ = 143546779584. Its totient is φ = 23822220104.

The previous prime is 71620025017. The next prime is 71620025051. The reversal of 71620025046 is 64052002617.

It is a junction number, because it is equal to n+sod(n) for n = 71620024998 and 71620025016.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12777360 + ... + 12782963.

It is an arithmetic number, because the mean of its divisors is an integer number (8971673724).

Almost surely, 2^71620025046 is an apocalyptic number.

71620025046 is an abundant number, since it is smaller than the sum of its proper divisors (71926754538).

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

71620025046 is a wasteful number, since it uses less digits than its factorization.

71620025046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25560795.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 71620025046 in words is "seventy-one billion, six hundred twenty million, twenty-five thousand, forty-six".