91673100070 has 16 divisors (see below), whose sum is σ = 169036253568. Its totient is φ = 35774868160.

The previous prime is 91673100059. The next prime is 91673100097. The reversal of 91673100070 is 7000137619.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 91673099999 and 91673100035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111796054 + ... + 111796873.

It is an arithmetic number, because the mean of its divisors is an integer number (10564765848).

Almost surely, 2^91673100070 is an apocalyptic number.

91673100070 is a deficient number, since it is larger than the sum of its proper divisors (77363153498).

91673100070 is a wasteful number, since it uses less digits than its factorization.

91673100070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223592975.

The product of its (nonzero) digits is 7938, while the sum is 34.

Adding to 91673100070 its reverse (7000137619), we get a palindrome (98673237689).

The spelling of 91673100070 in words is "ninety-one billion, six hundred seventy-three million, one hundred thousand, seventy".