97736749 has 4 divisors (see below), whose sum is σ = 106621920. Its totient is φ = 88851580.

The previous prime is 97736731. The next prime is 97736753. The reversal of 97736749 is 94763779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94763779 = 11 ⋅8614889.

It is a cyclic number.

It is not a de Polignac number, because 97736749 - 2²⁵ = 64182317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97736696 and 97736705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97736789) 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, 4442569 + ... + 4442590.

It is an arithmetic number, because the mean of its divisors is an integer number (26655480).

Almost surely, 2^97736749 is an apocalyptic number.

It is an amenable number.

97736749 is a deficient number, since it is larger than the sum of its proper divisors (8885171).

97736749 is a wasteful number, since it uses less digits than its factorization.

97736749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885170.

The product of its digits is 2000376, while the sum is 52.

The square root of 97736749 is about 9886.1898120560. The cubic root of 97736749 is about 460.6304352086.

The spelling of 97736749 in words is "ninety-seven million, seven hundred thirty-six thousand, seven hundred forty-nine".