61875768 has 16 divisors (see below), whose sum is σ = 154689480. Its totient is φ = 20625248.

The previous prime is 61875757. The next prime is 61875791. The reversal of 61875768 is 86757816.

It is a super-2 number, since 2×61875768² = 7657221331179648, which contains 22 as substring.

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, 1289055 + ... + 1289102.

Almost surely, 2^61875768 is an apocalyptic number.

It is an amenable number.

61875768 is an abundant number, since it is smaller than the sum of its proper divisors (92813712).

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

61875768 is a wasteful number, since it uses less digits than its factorization.

61875768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578166 (or 2578162 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 61875768 is about 7866.1151784092. The cubic root of 61875768 is about 395.5246310929.

The spelling of 61875768 in words is "sixty-one million, eight hundred seventy-five thousand, seven hundred sixty-eight".