61086276 has 72 divisors (see below), whose sum is σ = 160043520. Its totient is φ = 19633536.

The previous prime is 61086271. The next prime is 61086281. The reversal of 61086276 is 67268016.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61086271) and next prime (61086281).

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 61086276.

It is not an unprimeable number, because it can be changed into a prime (61086271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133440 + ... + 133896.

Almost surely, 2^61086276 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 61086276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80021760).

61086276 is an abundant number, since it is smaller than the sum of its proper divisors (98957244).

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

61086276 is a wasteful number, since it uses less digits than its factorization.

61086276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 61086276 is about 7815.7709792445. The cubic root of 61086276 is about 393.8352184409.

The spelling of 61086276 in words is "sixty-one million, eighty-six thousand, two hundred seventy-six".