61078692 has 48 divisors (see below), whose sum is σ = 151961600. Its totient is φ = 19038240.

The previous prime is 61078687. The next prime is 61078733. The reversal of 61078692 is 29687016.

It is a self number, because there is not a number n which added to its sum of digits gives 61078692.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16317 + ... + 19707.

Almost surely, 2^61078692 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 61078692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75980800).

61078692 is an abundant number, since it is smaller than the sum of its proper divisors (90882908).

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

61078692 is a wasteful number, since it uses less digits than its factorization.

61078692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496 (or 3494 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 61078692 is about 7815.2857913195. The cubic root of 61078692 is about 393.8189192539.

The spelling of 61078692 in words is "sixty-one million, seventy-eight thousand, six hundred ninety-two".