61760389 has 8 divisors (see below), whose sum is σ = 62531712. Its totient is φ = 60992400.

The previous prime is 61760353. The next prime is 61760411. The reversal of 61760389 is 98306716.

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

It is a cyclic number.

It is not a de Polignac number, because 61760389 - 2¹⁵ = 61727621 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 (61760329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74632 + ... + 75454.

It is an arithmetic number, because the mean of its divisors is an integer number (7816464).

Almost surely, 2^61760389 is an apocalyptic number.

It is an amenable number.

61760389 is a deficient number, since it is larger than the sum of its proper divisors (771323).

61760389 is a wasteful number, since it uses less digits than its factorization.

61760389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 61760389 is about 7858.7778311898. Note that the first 3 decimals coincide. The cubic root of 61760389 is about 395.2786347874.

The spelling of 61760389 in words is "sixty-one million, seven hundred sixty thousand, three hundred eighty-nine".