61738894 has 8 divisors (see below), whose sum is σ = 105838128. Its totient is φ = 26459520.

The previous prime is 61738889. The next prime is 61738967. The reversal of 61738894 is 49883716.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204947 + ... + 2204974.

It is an arithmetic number, because the mean of its divisors is an integer number (13229766).

Almost surely, 2^61738894 is an apocalyptic number.

61738894 is a deficient number, since it is larger than the sum of its proper divisors (44099234).

61738894 is a wasteful number, since it uses less digits than its factorization.

61738894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409930.

The product of its digits is 290304, while the sum is 46.

The square root of 61738894 is about 7857.4101331164. The cubic root of 61738894 is about 395.2327720573.

The spelling of 61738894 in words is "sixty-one million, seven hundred thirty-eight thousand, eight hundred ninety-four".