61752987 has 12 divisors (see below), whose sum is σ = 89358360. Its totient is φ = 41095008.

The previous prime is 61752947. The next prime is 61752989. The reversal of 61752987 is 78925716.

61752987 is a `hidden beast` number, since 617 + 5 + 29 + 8 + 7 = 666.

It is not a de Polignac number, because 61752987 - 2¹¹ = 61750939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61752989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562 + ... + 11127.

It is an arithmetic number, because the mean of its divisors is an integer number (7446530).

Almost surely, 2^61752987 is an apocalyptic number.

61752987 is a deficient number, since it is larger than the sum of its proper divisors (27605373).

61752987 is a wasteful number, since it uses less digits than its factorization.

61752987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12282 (or 12279 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 61752987 is about 7858.3068787112. The cubic root of 61752987 is about 395.2628427380.

The spelling of 61752987 in words is "sixty-one million, seven hundred fifty-two thousand, nine hundred eighty-seven".