97436642 has 16 divisors (see below), whose sum is σ = 149153400. Its totient is φ = 47725440.

The previous prime is 97436609. The next prime is 97436657. The reversal of 97436642 is 24663479.

It is a Cunningham number, because it is equal to 9871²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6405961 + 91030681 = 2531^2 + 9541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97436642.

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, 31334 + ... + 34302.

Almost surely, 2^97436642 is an apocalyptic number.

97436642 is a deficient number, since it is larger than the sum of its proper divisors (51716758).

97436642 is a wasteful number, since it uses less digits than its factorization.

97436642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

The product of its digits is 217728, while the sum is 41.

The square root of 97436642 is about 9871.0000506534. Note that the first 4 decimals coincide. The cubic root of 97436642 is about 460.1584866622.

The spelling of 97436642 in words is "ninety-seven million, four hundred thirty-six thousand, six hundred forty-two".