97690042 has 8 divisors (see below), whose sum is σ = 147605076. Its totient is φ = 48488352.

The previous prime is 97690031. The next prime is 97690063. The reversal of 97690042 is 24009679.

It can be written as a sum of positive squares in 2 ways, for example, as 97002801 + 687241 = 9849^2 + 829^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 97689983 and 97690010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177993 + ... + 178540.

Almost surely, 2^97690042 is an apocalyptic number.

97690042 is a deficient number, since it is larger than the sum of its proper divisors (49915034).

97690042 is a wasteful number, since it uses less digits than its factorization.

97690042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356672.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 97690042 is about 9883.8272951322. The cubic root of 97690042 is about 460.5570472761.

The spelling of 97690042 in words is "ninety-seven million, six hundred ninety thousand, forty-two".