97726464 has 156 divisors (see below), whose sum is σ = 309226632. Its totient is φ = 29491200.

The previous prime is 97726439. The next prime is 97726469. The reversal of 97726464 is 46462779.

It is not an unprimeable number, because it can be changed into a prime (97726469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405384 + ... + 405624.

It is an arithmetic number, because the mean of its divisors is an integer number (1982222).

Almost surely, 2^97726464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97726464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154613316).

97726464 is an abundant number, since it is smaller than the sum of its proper divisors (211500168).

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

97726464 is a wasteful number, since it uses less digits than its factorization.

97726464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 257 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 97726464 is about 9885.6696283054. The cubic root of 97726464 is about 460.6142770072.

The spelling of 97726464 in words is "ninety-seven million, seven hundred twenty-six thousand, four hundred sixty-four".