61697695 has 4 divisors (see below), whose sum is σ = 74037240. Its totient is φ = 49358152.

The previous prime is 61697663. The next prime is 61697717. The reversal of 61697695 is 59679616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61697695 - 2⁵ = 61697663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6169765 + ... + 6169774.

It is an arithmetic number, because the mean of its divisors is an integer number (18509310).

Almost surely, 2^61697695 is an apocalyptic number.

61697695 is a deficient number, since it is larger than the sum of its proper divisors (12339545).

61697695 is a wasteful number, since it uses less digits than its factorization.

61697695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12339544.

The product of its digits is 612360, while the sum is 49.

The square root of 61697695 is about 7854.7880302399. The cubic root of 61697695 is about 395.1448381945.

The spelling of 61697695 in words is "sixty-one million, six hundred ninety-seven thousand, six hundred ninety-five".