97705405 has 8 divisors (see below), whose sum is σ = 133996032. Its totient is φ = 66997968.

The previous prime is 97705367. The next prime is 97705427. The reversal of 97705405 is 50450779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97705405 - 2¹¹ = 97703357 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1395757 + ... + 1395826.

It is an arithmetic number, because the mean of its divisors is an integer number (16749504).

Almost surely, 2^97705405 is an apocalyptic number.

It is an amenable number.

97705405 is a deficient number, since it is larger than the sum of its proper divisors (36290627).

97705405 is a wasteful number, since it uses less digits than its factorization.

97705405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791595.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 97705405 is about 9884.6044432744. The cubic root of 97705405 is about 460.5811888259.

The spelling of 97705405 in words is "ninety-seven million, seven hundred five thousand, four hundred five".