91412670 has 16 divisors (see below), whose sum is σ = 219390480. Its totient is φ = 24376704.

The previous prime is 91412663. The next prime is 91412677. The reversal of 91412670 is 7621419.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91412663) and next prime (91412677).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3047089 = 91412670 / (9 + 1 + 4 + 1 + 2 + 6 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91412677) 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, 1523515 + ... + 1523574.

It is an arithmetic number, because the mean of its divisors is an integer number (13711905).

Almost surely, 2^91412670 is an apocalyptic number.

91412670 is an abundant number, since it is smaller than the sum of its proper divisors (127977810).

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

91412670 is a wasteful number, since it uses less digits than its factorization.

91412670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047099.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 91412670 is about 9560.9973329146. The cubic root of 91412670 is about 450.4730334441.

It can be divided in two parts, 9141 and 2670, that added together give a palindrome (11811).

The spelling of 91412670 in words is "ninety-one million, four hundred twelve thousand, six hundred seventy".