91470001 has 8 divisors (see below), whose sum is σ = 106309440. Its totient is φ = 77073648.

The previous prime is 91469993. The next prime is 91470007. The reversal of 91470001 is 10007419.

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

It is a cyclic number.

It is not a de Polignac number, because 91470001 - 2³ = 91469993 is a prime.

It is a super-2 number, since 2×91470001² = 16733522165880002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91470007) 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, 110326 + ... + 111151.

It is an arithmetic number, because the mean of its divisors is an integer number (13288680).

Almost surely, 2^91470001 is an apocalyptic number.

It is an amenable number.

91470001 is a deficient number, since it is larger than the sum of its proper divisors (14839439).

91470001 is a wasteful number, since it uses less digits than its factorization.

91470001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221543.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 91470001 is about 9563.9950334575. The cubic root of 91470001 is about 450.5671876873.

The spelling of 91470001 in words is "ninety-one million, four hundred seventy thousand, one".