91463741 has 4 divisors (see below), whose sum is σ = 93935772. Its totient is φ = 88991712.

The previous prime is 91463717. The next prime is 91463821. The reversal of 91463741 is 14736419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14736419 = 19 ⋅775601.

It can be written as a sum of positive squares in 2 ways, for example, as 67980025 + 23483716 = 8245^2 + 4846^2 .

It is a cyclic number.

It is not a de Polignac number, because 91463741 - 2¹⁰ = 91462717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91463711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235960 + ... + 1236033.

It is an arithmetic number, because the mean of its divisors is an integer number (23483943).

Almost surely, 2^91463741 is an apocalyptic number.

It is an amenable number.

91463741 is a deficient number, since it is larger than the sum of its proper divisors (2472031).

91463741 is a wasteful number, since it uses less digits than its factorization.

91463741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472030.

The product of its digits is 18144, while the sum is 35.

The square root of 91463741 is about 9563.6677587628. The cubic root of 91463741 is about 450.5569088530.

The spelling of 91463741 in words is "ninety-one million, four hundred sixty-three thousand, seven hundred forty-one".