97515750 has 32 divisors (see below), whose sum is σ = 243401184. Its totient is φ = 26004000.

The previous prime is 97515721. The next prime is 97515751. The reversal of 97515750 is 5751579.

It is a junction number, because it is equal to n+sod(n) for n = 97515699 and 97515708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97515751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64261 + ... + 65760.

It is an arithmetic number, because the mean of its divisors is an integer number (7606287).

Almost surely, 2^97515750 is an apocalyptic number.

97515750 is an abundant number, since it is smaller than the sum of its proper divisors (145885434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97515750 is a wasteful number, since it uses less digits than its factorization.

97515750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130041 (or 130031 counting only the distinct ones).

The product of its (nonzero) digits is 55125, while the sum is 39.

The square root of 97515750 is about 9875.0063291119. The cubic root of 97515750 is about 460.2829859255.

The spelling of 97515750 in words is "ninety-seven million, five hundred fifteen thousand, seven hundred fifty".