75877138 has 16 divisors (see below), whose sum is σ = 118975680. Its totient is φ = 36224496.

The previous prime is 75877117. The next prime is 75877141. The reversal of 75877138 is 83177857.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 7 ways as a sum of consecutive naturals, for example, 33733 + ... + 35911.

It is an arithmetic number, because the mean of its divisors is an integer number (7435980).

Almost surely, 2^75877138 is an apocalyptic number.

75877138 is a deficient number, since it is larger than the sum of its proper divisors (43098542).

75877138 is a wasteful number, since it uses less digits than its factorization.

75877138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961.

The product of its digits is 329280, while the sum is 46.

The square root of 75877138 is about 8710.7484179030. The cubic root of 75877138 is about 423.3539801587.

The spelling of 75877138 in words is "seventy-five million, eight hundred seventy-seven thousand, one hundred thirty-eight".