91754270352 has 30 divisors (see below), whose sum is σ = 256784520902. Its totient is φ = 30584756736.

The previous prime is 91754270351. The next prime is 91754270381. The reversal of 91754270352 is 25307245719.

It is a happy number.

91754270352 is a `hidden beast` number, since 9 + 1 + 7 + 542 + 70 + 35 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59733315216 + 32020955136 = 244404^2 + 178944^2 .

It is a super-2 number, since 2×91754270352² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91754270298 and 91754270307.

It is not an unprimeable number, because it can be changed into a prime (91754270351) 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 5 ways as a sum of consecutive naturals, for example, 318591073 + ... + 318591360.

Almost surely, 2^91754270352 is an apocalyptic number.

It is an amenable number.

91754270352 is an abundant number, since it is smaller than the sum of its proper divisors (165030250550).

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

91754270352 is a wasteful number, since it uses less digits than its factorization.

91754270352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637182447 (or 637182438 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 91754270352 in words is "ninety-one billion, seven hundred fifty-four million, two hundred seventy thousand, three hundred fifty-two".