97435718 has 4 divisors (see below), whose sum is σ = 146153580. Its totient is φ = 48717858.

The previous prime is 97435717. The next prime is 97435729. The reversal of 97435718 is 81753479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81753479 = 31 ⋅2637209.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97435717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24358928 + ... + 24358931.

It is an arithmetic number, because the mean of its divisors is an integer number (36538395).

Almost surely, 2^97435718 is an apocalyptic number.

97435718 is a deficient number, since it is larger than the sum of its proper divisors (48717862).

97435718 is a wasteful number, since it uses less digits than its factorization.

97435718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48717861.

The product of its digits is 211680, while the sum is 44.

The square root of 97435718 is about 9870.9532467741. The cubic root of 97435718 is about 460.1570320835.

The spelling of 97435718 in words is "ninety-seven million, four hundred thirty-five thousand, seven hundred eighteen".