97432574190436 has 27 divisors (see below), whose sum is σ = 170708206248307. Its totient is φ = 48658868686520.

The previous prime is 97432574190323. The next prime is 97432574190439. The reversal of 97432574190436 is 63409147523479.

It is a happy number.

The square root of 97432574190436 is 9870794.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97432574190439) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20353574835 + ... + 20353579621.

Almost surely, 2^{97432574190436} is an apocalyptic number.

97432574190436 is the 9870794-th square number.

It is an amenable number.

97432574190436 is a deficient number, since it is larger than the sum of its proper divisors (73275632057871).

97432574190436 is an frugal number, since it uses more digits than its factorization.

97432574190436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640 (or 5820 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 97432574190436 in words is "ninety-seven trillion, four hundred thirty-two billion, five hundred seventy-four million, one hundred ninety thousand, four hundred thirty-six".