61071696 has 120 divisors (see below), whose sum is σ = 200016960. Its totient is φ = 17031168.

The previous prime is 61071691. The next prime is 61071713. The reversal of 61071696 is 69617016.

It is a super-3 number, since 3×61071696³ (a number of 24 digits) contains 333 as substring.

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 61071696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61071691) 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, 42640 + ... + 44048.

It is an arithmetic number, because the mean of its divisors is an integer number (1666808).

Almost surely, 2^61071696 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 61071696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100008480).

61071696 is an abundant number, since it is smaller than the sum of its proper divisors (138945264).

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

61071696 is a wasteful number, since it uses less digits than its factorization.

61071696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 61071696 is about 7814.8381941023. The cubic root of 61071696 is about 393.8038825732.

The spelling of 61071696 in words is "sixty-one million, seventy-one thousand, six hundred ninety-six".