61697708 has 6 divisors (see below), whose sum is σ = 107970996. Its totient is φ = 30848852.

The previous prime is 61697663. The next prime is 61697717. The reversal of 61697708 is 80779616.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712210 + ... + 7712217.

It is an arithmetic number, because the mean of its divisors is an integer number (17995166).

Almost surely, 2^61697708 is an apocalyptic number.

It is an amenable number.

61697708 is a deficient number, since it is larger than the sum of its proper divisors (46273288).

61697708 is a wasteful number, since it uses less digits than its factorization.

61697708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15424431 (or 15424429 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 61697708 is about 7854.7888577606. The cubic root of 61697708 is about 395.1448659475.

The spelling of 61697708 in words is "sixty-one million, six hundred ninety-seven thousand, seven hundred eight".