97140782 has 8 divisors (see below), whose sum is σ = 145864152. Its totient is φ = 48519400.

The previous prime is 97140781. The next prime is 97140817. The reversal of 97140782 is 28704179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97140781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23069 + ... + 26952.

It is an arithmetic number, because the mean of its divisors is an integer number (18233019).

Almost surely, 2^97140782 is an apocalyptic number.

97140782 is a deficient number, since it is larger than the sum of its proper divisors (48723370).

97140782 is a wasteful number, since it uses less digits than its factorization.

97140782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50994.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 97140782 is about 9856.0023336036. The cubic root of 97140782 is about 459.6922673977.

The spelling of 97140782 in words is "ninety-seven million, one hundred forty thousand, seven hundred eighty-two".