61974848 has 28 divisors (see below), whose sum is σ = 132443220. Its totient is φ = 28603392.

The previous prime is 61974817. The next prime is 61974853. The reversal of 61974848 is 84847916.

It can be written as a sum of positive squares in 2 ways, for example, as 24127744 + 37847104 = 4912^2 + 6152^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36413 + ... + 38076.

It is an arithmetic number, because the mean of its divisors is an integer number (4730115).

Almost surely, 2^61974848 is an apocalyptic number.

It is an amenable number.

61974848 is an abundant number, since it is smaller than the sum of its proper divisors (70468372).

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

61974848 is a wasteful number, since it uses less digits than its factorization.

61974848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74514 (or 74504 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 61974848 is about 7872.4105583995. The cubic root of 61974848 is about 395.7356328205.

The spelling of 61974848 in words is "sixty-one million, nine hundred seventy-four thousand, eight hundred forty-eight".