61709701 has 12 divisors (see below), whose sum is σ = 65532000. Its totient is φ = 58100328.

The previous prime is 61709689. The next prime is 61709707. The reversal of 61709701 is 10790716.

It is not a de Polignac number, because 61709701 - 2¹⁵ = 61676933 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 (61709707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71410 + ... + 72268.

It is an arithmetic number, because the mean of its divisors is an integer number (5461000).

Almost surely, 2^61709701 is an apocalyptic number.

It is an amenable number.

61709701 is a deficient number, since it is larger than the sum of its proper divisors (3822299).

61709701 is a wasteful number, since it uses less digits than its factorization.

61709701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 61709701 is about 7855.5522402948. The cubic root of 61709701 is about 395.1704674677.

The spelling of 61709701 in words is "sixty-one million, seven hundred nine thousand, seven hundred one".