97069440 has 128 divisors (see below), whose sum is σ = 333295200. Its totient is φ = 23887872.

The previous prime is 97069421. The next prime is 97069451. The reversal of 97069440 is 4496079.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23016 + ... + 26904.

Almost surely, 2^97069440 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 97069440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166647600).

97069440 is an abundant number, since it is smaller than the sum of its proper divisors (236225760).

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

97069440 is a wasteful number, since it uses less digits than its factorization.

97069440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924 (or 3912 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 97069440 is about 9852.3824529907. The cubic root of 97069440 is about 459.5797043153.

The spelling of 97069440 in words is "ninety-seven million, sixty-nine thousand, four hundred forty".