97708642 has 8 divisors (see below), whose sum is σ = 149971536. Its totient is φ = 47718132.

The previous prime is 97708613. The next prime is 97708643. The reversal of 97708642 is 24680779.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (97708643) 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, 567988 + ... + 568159.

It is an arithmetic number, because the mean of its divisors is an integer number (18746442).

Almost surely, 2^97708642 is an apocalyptic number.

97708642 is a deficient number, since it is larger than the sum of its proper divisors (52262894).

97708642 is a wasteful number, since it uses less digits than its factorization.

97708642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136192.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 97708642 is about 9884.7681813991. The cubic root of 97708642 is about 460.5862751526.

The spelling of 97708642 in words is "ninety-seven million, seven hundred eight thousand, six hundred forty-two".