96749921 has 4 divisors (see below), whose sum is σ = 96772500. Its totient is φ = 96727344.

The previous prime is 96749879. The next prime is 96749929. The reversal of 96749921 is 12994769.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12994769 = 61 ⋅213029.

It can be written as a sum of positive squares in 2 ways, for example, as 1784896 + 94965025 = 1336^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 96749921 - 2¹⁸ = 96487777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96749929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666 + ... + 14163.

It is an arithmetic number, because the mean of its divisors is an integer number (24193125).

Almost surely, 2^96749921 is an apocalyptic number.

It is an amenable number.

96749921 is a deficient number, since it is larger than the sum of its proper divisors (22579).

96749921 is a wasteful number, since it uses less digits than its factorization.

96749921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22578.

The product of its digits is 244944, while the sum is 47.

The square root of 96749921 is about 9836.1537706565. The cubic root of 96749921 is about 459.0748909116.

The spelling of 96749921 in words is "ninety-six million, seven hundred forty-nine thousand, nine hundred twenty-one".