61071092 has 18 divisors (see below), whose sum is σ = 112798098. Its totient is φ = 28927728.

The previous prime is 61071091. The next prime is 61071119. The reversal of 61071092 is 29017016.

It can be written as a sum of positive squares in only one way, i.e., 45751696 + 15319396 = 6764^2 + 3914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61071091) 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 5 ways as a sum of consecutive naturals, for example, 19703 + ... + 22590.

It is an arithmetic number, because the mean of its divisors is an integer number (6266561).

Almost surely, 2^61071092 is an apocalyptic number.

It is an amenable number.

61071092 is a deficient number, since it is larger than the sum of its proper divisors (51727006).

61071092 is a wasteful number, since it uses less digits than its factorization.

61071092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42335 (or 42314 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 61071092 is about 7814.7995495726. The cubic root of 61071092 is about 393.8025843268.

The spelling of 61071092 in words is "sixty-one million, seventy-one thousand, ninety-two".