91700340 has 48 divisors (see below), whose sum is σ = 257826240. Its totient is φ = 24352000.

The previous prime is 91700339. The next prime is 91700341. The reversal of 91700340 is 4300719.

It is an interprime number because it is at equal distance from previous prime (91700339) and next prime (91700341).

It is a super-2 number, since 2×91700340² = 16817904712231200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91700340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91700341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12016 + ... + 18104.

It is an arithmetic number, because the mean of its divisors is an integer number (5371380).

Almost surely, 2^91700340 is an apocalyptic number.

It is an amenable number.

91700340 is an abundant number, since it is smaller than the sum of its proper divisors (166125900).

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

91700340 is a wasteful number, since it uses less digits than its factorization.

91700340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6350 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 91700340 is about 9576.0294485763. The cubic root of 91700340 is about 450.9450755217.

The spelling of 91700340 in words is "ninety-one million, seven hundred thousand, three hundred forty".