97719642 has 32 divisors (see below), whose sum is σ = 218880000. Its totient is φ = 32314464.

The previous prime is 97719637. The next prime is 97719697. The reversal of 97719642 is 24691779.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267 + ... + 13982.

It is an arithmetic number, because the mean of its divisors is an integer number (6840000).

Almost surely, 2^97719642 is an apocalyptic number.

97719642 is an abundant number, since it is smaller than the sum of its proper divisors (121160358).

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

97719642 is a wasteful number, since it uses less digits than its factorization.

97719642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387 (or 14381 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 97719642 is about 9885.3245773723. The cubic root of 97719642 is about 460.6035587105.

The spelling of 97719642 in words is "ninety-seven million, seven hundred nineteen thousand, six hundred forty-two".