97067640 has 64 divisors (see below), whose sum is σ = 301255200. Its totient is φ = 24991232.

The previous prime is 97067639. The next prime is 97067693. The reversal of 97067640 is 4676079.

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, 10467 + ... + 17426.

Almost surely, 2^97067640 is an apocalyptic number.

It is an amenable number.

97067640 is an abundant number, since it is smaller than the sum of its proper divisors (204187560).

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

97067640 is a wasteful number, since it uses less digits than its factorization.

97067640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27936 (or 27932 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 97067640 is about 9852.2911041037. The cubic root of 97067640 is about 459.5768635703.

The spelling of 97067640 in words is "ninety-seven million, sixty-seven thousand, six hundred forty".