61386773 has 8 divisors (see below), whose sum is σ = 71480448. Its totient is φ = 51624144.

The previous prime is 61386769. The next prime is 61386781. The reversal of 61386773 is 37768316.

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 61386773 - 2² = 61386769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61386773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61386173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82361 + ... + 83102.

It is an arithmetic number, because the mean of its divisors is an integer number (8935056).

Almost surely, 2^61386773 is an apocalyptic number.

It is an amenable number.

61386773 is a deficient number, since it is larger than the sum of its proper divisors (10093675).

61386773 is a wasteful number, since it uses less digits than its factorization.

61386773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165523.

The product of its digits is 127008, while the sum is 41.

The square root of 61386773 is about 7834.9711550203. The cubic root of 61386773 is about 394.4799501259.

The spelling of 61386773 in words is "sixty-one million, three hundred eighty-six thousand, seven hundred seventy-three".