61787094 has 8 divisors (see below), whose sum is σ = 123574200. Its totient is φ = 20595696.

The previous prime is 61787071. The next prime is 61787153. The reversal of 61787094 is 49078716.

It is a sphenic number, since it is the product of 3 distinct primes.

61787094 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5148919 + ... + 5148930.

It is an arithmetic number, because the mean of its divisors is an integer number (15446775).

Almost surely, 2^61787094 is an apocalyptic number.

61787094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61787094 is a wasteful number, since it uses less digits than its factorization.

61787094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10297854.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 61787094 is about 7860.4767031014. The cubic root of 61787094 is about 395.3355989950.

The spelling of 61787094 in words is "sixty-one million, seven hundred eighty-seven thousand, ninety-four".