91007654 has 8 divisors (see below), whose sum is σ = 136566000. Its totient is φ = 45485656.

The previous prime is 91007639. The next prime is 91007671. The reversal of 91007654 is 45670019.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 91007654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589 + ... + 13584.

It is an arithmetic number, because the mean of its divisors is an integer number (17070750).

Almost surely, 2^91007654 is an apocalyptic number.

91007654 is a deficient number, since it is larger than the sum of its proper divisors (45558346).

91007654 is a wasteful number, since it uses less digits than its factorization.

91007654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 91007654 is about 9539.7931843411. The cubic root of 91007654 is about 449.8067548860.

The spelling of 91007654 in words is "ninety-one million, seven thousand, six hundred fifty-four".