91742624719 has 8 divisors (see below), whose sum is σ = 94221329040. Its totient is φ = 89294712000.

The previous prime is 91742624683. The next prime is 91742624741.

It is a happy number.

91742624719 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91742624719 is a prime.

It is a super-2 number, since 2×91742624719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91742627719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7691862 + ... + 7703779.

It is an arithmetic number, because the mean of its divisors is an integer number (11777666130).

Almost surely, 2^91742624719 is an apocalyptic number.

91742624719 is a deficient number, since it is larger than the sum of its proper divisors (2478704321).

91742624719 is a wasteful number, since it uses less digits than its factorization.

91742624719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15395801.

The product of its digits is 1524096, while the sum is 52.

The spelling of 91742624719 in words is "ninety-one billion, seven hundred forty-two million, six hundred twenty-four thousand, seven hundred nineteen".