61871248 has 20 divisors (see below), whose sum is σ = 120096108. Its totient is φ = 30878720.

The previous prime is 61871237. The next prime is 61871269. The reversal of 61871248 is 84217816.

It can be written as a sum of positive squares in 2 ways, for example, as 49112064 + 12759184 = 7008^2 + 3572^2 .

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, 6228 + ... + 12748.

Almost surely, 2^61871248 is an apocalyptic number.

It is an amenable number.

61871248 is a deficient number, since it is larger than the sum of its proper divisors (58224860).

61871248 is a wasteful number, since it uses less digits than its factorization.

61871248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122 (or 7116 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 61871248 is about 7865.8278648849. The cubic root of 61871248 is about 395.5149998866.

The spelling of 61871248 in words is "sixty-one million, eight hundred seventy-one thousand, two hundred forty-eight".