61358076 has 72 divisors (see below), whose sum is σ = 170970800. Its totient is φ = 18434304.

The previous prime is 61358071. The next prime is 61358111. The reversal of 61358076 is 67085316.

61358076 is a `hidden beast` number, since 6 + 1 + 3 + 580 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61358076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61358071) 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 23 ways as a sum of consecutive naturals, for example, 18600 + ... + 21648.

Almost surely, 2^61358076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61358076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85485400).

61358076 is an abundant number, since it is smaller than the sum of its proper divisors (109612724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61358076 is a wasteful number, since it uses less digits than its factorization.

61358076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115 (or 3110 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 61358076 is about 7833.1396004412. The cubic root of 61358076 is about 394.4184702389.

Adding to 61358076 its product of nonzero digits (30240), we get a palindrome (61388316).

The spelling of 61358076 in words is "sixty-one million, three hundred fifty-eight thousand, seventy-six".