97489735 has 32 divisors (see below), whose sum is σ = 139507200. Its totient is φ = 63987840.

The previous prime is 97489727. The next prime is 97489739. The reversal of 97489735 is 53798479.

It is not a de Polignac number, because 97489735 - 2³ = 97489727 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97489739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140740 + ... + 141430.

It is an arithmetic number, because the mean of its divisors is an integer number (4359600).

Almost surely, 2^97489735 is an apocalyptic number.

97489735 is the 8062-nd pentagonal number.

97489735 is a deficient number, since it is larger than the sum of its proper divisors (42017465).

97489735 is a wasteful number, since it uses less digits than its factorization.

97489735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its digits is 1905120, while the sum is 52.

The square root of 97489735 is about 9873.6890269038. The cubic root of 97489735 is about 460.2420512496.

It can be divided in two parts, 974 and 89735, that added together give a palindrome (90709).

The spelling of 97489735 in words is "ninety-seven million, four hundred eighty-nine thousand, seven hundred thirty-five".