61849374 has 8 divisors (see below), whose sum is σ = 123698760. Its totient is φ = 20616456.

The previous prime is 61849343. The next prime is 61849379. The reversal of 61849374 is 47394816.

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

61849374 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61849379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5154109 + ... + 5154120.

It is an arithmetic number, because the mean of its divisors is an integer number (15462345).

Almost surely, 2^61849374 is an apocalyptic number.

61849374 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.

61849374 is a wasteful number, since it uses less digits than its factorization.

61849374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308234.

The product of its digits is 145152, while the sum is 42.

The square root of 61849374 is about 7864.4372970989. The cubic root of 61849374 is about 395.4683841852.

The spelling of 61849374 in words is "sixty-one million, eight hundred forty-nine thousand, three hundred seventy-four".