97142380 has 24 divisors (see below), whose sum is σ = 204907248. Its totient is φ = 38683968.

The previous prime is 97142351. The next prime is 97142399. The reversal of 97142380 is 8324179.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6159 + ... + 15238.

It is an arithmetic number, because the mean of its divisors is an integer number (8537802).

Almost surely, 2^97142380 is an apocalyptic number.

It is an amenable number.

97142380 is an abundant number, since it is smaller than the sum of its proper divisors (107764868).

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

97142380 is a wasteful number, since it uses less digits than its factorization.

97142380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21633 (or 21631 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 97142380 is about 9856.0834006212. The cubic root of 97142380 is about 459.6947880836.

The spelling of 97142380 in words is "ninety-seven million, one hundred forty-two thousand, three hundred eighty".