97642270 has 16 divisors (see below), whose sum is σ = 191734128. Its totient is φ = 35506240.

The previous prime is 97642261. The next prime is 97642289. The reversal of 97642270 is 7224679.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443719 + ... + 443938.

It is an arithmetic number, because the mean of its divisors is an integer number (11983383).

Almost surely, 2^97642270 is an apocalyptic number.

97642270 is a deficient number, since it is larger than the sum of its proper divisors (94091858).

97642270 is a wasteful number, since it uses less digits than its factorization.

97642270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887675.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 97642270 is about 9881.4103244426. The cubic root of 97642270 is about 460.4819617703.

The spelling of 97642270 in words is "ninety-seven million, six hundred forty-two thousand, two hundred seventy".