91542754 has 8 divisors (see below), whose sum is σ = 137355948. Its totient is φ = 45757440.

The previous prime is 91542719. The next prime is 91542757. The reversal of 91542754 is 45724519.

It can be written as a sum of positive squares in 2 ways, for example, as 89813529 + 1729225 = 9477^2 + 1315^2 .

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

It is not an unprimeable number, because it can be changed into a prime (91542757) 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, 6274 + ... + 14914.

Almost surely, 2^91542754 is an apocalyptic number.

91542754 is a deficient number, since it is larger than the sum of its proper divisors (45813194).

91542754 is a wasteful number, since it uses less digits than its factorization.

91542754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940.

The product of its digits is 50400, while the sum is 37.

The square root of 91542754 is about 9567.7977612406. The cubic root of 91542754 is about 450.6866127346.

The spelling of 91542754 in words is "ninety-one million, five hundred forty-two thousand, seven hundred fifty-four".