91340770 has 8 divisors (see below), whose sum is σ = 164413404. Its totient is φ = 36536304.

The previous prime is 91340761. The next prime is 91340773. The reversal of 91340770 is 7704319.

It can be written as a sum of positive squares in 2 ways, for example, as 81848209 + 9492561 = 9047^2 + 3081^2 .

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

It is not an unprimeable number, because it can be changed into a prime (91340773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567029 + ... + 4567048.

Almost surely, 2^91340770 is an apocalyptic number.

91340770 is a deficient number, since it is larger than the sum of its proper divisors (73072634).

91340770 is a wasteful number, since it uses less digits than its factorization.

91340770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134084.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 91340770 is about 9557.2365252724. The cubic root of 91340770 is about 450.3548969881.

The spelling of 91340770 in words is "ninety-one million, three hundred forty thousand, seven hundred seventy".