61340771 has 8 divisors (see below), whose sum is σ = 63634800. Its totient is φ = 59058720.

The previous prime is 61340693. The next prime is 61340779. The reversal of 61340771 is 17704316.

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 61340771 - 2¹⁴ = 61324387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61340779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8201 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (7954350).

Almost surely, 2^61340771 is an apocalyptic number.

61340771 is a deficient number, since it is larger than the sum of its proper divisors (2294029).

61340771 is a wasteful number, since it uses less digits than its factorization.

61340771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 61340771 is about 7832.0349207597. The cubic root of 61340771 is about 394.3813870825.

The spelling of 61340771 in words is "sixty-one million, three hundred forty thousand, seven hundred seventy-one".