61740417 has 8 divisors (see below), whose sum is σ = 82368000. Its totient is φ = 41136560.

The previous prime is 61740409. The next prime is 61740421. The reversal of 61740417 is 71404716.

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 61740417 - 2³ = 61740409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61740817) 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, 1459 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (10296000).

Almost surely, 2^61740417 is an apocalyptic number.

It is an amenable number.

61740417 is a deficient number, since it is larger than the sum of its proper divisors (20627583).

61740417 is a wasteful number, since it uses less digits than its factorization.

61740417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11863.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 61740417 is about 7857.5070474038. The cubic root of 61740417 is about 395.2360219512.

The spelling of 61740417 in words is "sixty-one million, seven hundred forty thousand, four hundred seventeen".