61317699 has 8 divisors (see below), whose sum is σ = 83658432. Its totient is φ = 39927720.

The previous prime is 61317653. The next prime is 61317733. The reversal of 61317699 is 99671316.

61317699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61317699 - 2¹⁷ = 61186627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61317699.

It is not an unprimeable number, because it can be changed into a prime (61317499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237537 + ... + 237794.

It is an arithmetic number, because the mean of its divisors is an integer number (10457304).

Almost surely, 2^61317699 is an apocalyptic number.

61317699 is a deficient number, since it is larger than the sum of its proper divisors (22340733).

61317699 is a wasteful number, since it uses less digits than its factorization.

61317699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475377.

The product of its digits is 61236, while the sum is 42.

The square root of 61317699 is about 7830.5618572360. The cubic root of 61317699 is about 394.3319348814.

The spelling of 61317699 in words is "sixty-one million, three hundred seventeen thousand, six hundred ninety-nine".