61657703 has 4 divisors (see below), whose sum is σ = 62223480. Its totient is φ = 61091928.

The previous prime is 61657699. The next prime is 61657721. The reversal of 61657703 is 30775616.

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 61657703 - 2² = 61657699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61657303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282725 + ... + 282942.

It is an arithmetic number, because the mean of its divisors is an integer number (15555870).

Almost surely, 2^61657703 is an apocalyptic number.

61657703 is a deficient number, since it is larger than the sum of its proper divisors (565777).

61657703 is a wasteful number, since it uses less digits than its factorization.

61657703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565776.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 61657703 is about 7852.2419091620. The cubic root of 61657703 is about 395.0594430649.

The spelling of 61657703 in words is "sixty-one million, six hundred fifty-seven thousand, seven hundred three".