97724434 has 16 divisors (see below), whose sum is σ = 148763160. Its totient is φ = 48142080.

The previous prime is 97724399. The next prime is 97724453. The reversal of 97724434 is 43442779.

It can be written as a sum of positive squares in 4 ways, for example, as 12623809 + 85100625 = 3553^2 + 9225^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39712 + ... + 42100.

Almost surely, 2^97724434 is an apocalyptic number.

97724434 is a deficient number, since it is larger than the sum of its proper divisors (51038726).

97724434 is a wasteful number, since it uses less digits than its factorization.

97724434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685.

The product of its digits is 169344, while the sum is 40.

The square root of 97724434 is about 9885.5669538980. The cubic root of 97724434 is about 460.6110876512.

The spelling of 97724434 in words is "ninety-seven million, seven hundred twenty-four thousand, four hundred thirty-four".