97749013 has 8 divisors (see below), whose sum is σ = 99792000. Its totient is φ = 95713488.

The previous prime is 97748969. The next prime is 97749059. The reversal of 97749013 is 31094779.

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

It is a cyclic number.

It is not a de Polignac number, because 97749013 - 2⁹ = 97748501 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 (97749073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30208 + ... + 33286.

It is an arithmetic number, because the mean of its divisors is an integer number (12474000).

Almost surely, 2^97749013 is an apocalyptic number.

It is an amenable number.

97749013 is a deficient number, since it is larger than the sum of its proper divisors (2042987).

97749013 is a wasteful number, since it uses less digits than its factorization.

97749013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 97749013 is about 9886.8100517811. The cubic root of 97749013 is about 460.6497010271.

The spelling of 97749013 in words is "ninety-seven million, seven hundred forty-nine thousand, thirteen".