97532780 has 12 divisors (see below), whose sum is σ = 204818880. Its totient is φ = 39013104.

The previous prime is 97532779. The next prime is 97532783. The reversal of 97532780 is 8723579.

It is not an unprimeable number, because it can be changed into a prime (97532783) 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, 2438300 + ... + 2438339.

It is an arithmetic number, because the mean of its divisors is an integer number (17068240).

Almost surely, 2^97532780 is an apocalyptic number.

It is an amenable number.

97532780 is an abundant number, since it is smaller than the sum of its proper divisors (107286100).

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

97532780 is a wasteful number, since it uses less digits than its factorization.

97532780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876648 (or 4876646 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 97532780 is about 9875.8685693968. The cubic root of 97532780 is about 460.3097787359.

The spelling of 97532780 in words is "ninety-seven million, five hundred thirty-two thousand, seven hundred eighty".