97075491 has 8 divisors (see below), whose sum is σ = 137047824. Its totient is φ = 60910080.

The previous prime is 97075487. The next prime is 97075501. The reversal of 97075491 is 19457079.

It is a happy number.

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

It is not a de Polignac number, because 97075491 - 2² = 97075487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97075421) 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 7 ways as a sum of consecutive naturals, for example, 951670 + ... + 951771.

It is an arithmetic number, because the mean of its divisors is an integer number (17130978).

Almost surely, 2^97075491 is an apocalyptic number.

97075491 is a deficient number, since it is larger than the sum of its proper divisors (39972333).

97075491 is a wasteful number, since it uses less digits than its factorization.

97075491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903461.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 97075491 is about 9852.6895312904. The cubic root of 97075491 is about 459.5892536957.

The spelling of 97075491 in words is "ninety-seven million, seventy-five thousand, four hundred ninety-one".