75677812 has 48 divisors (see below), whose sum is σ = 161360640. Its totient is φ = 30316032.

The previous prime is 75677753. The next prime is 75677827. The reversal of 75677812 is 21877657.

Its product of digits (164640) is a multiple of the sum of its prime factors (1120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81889 + ... + 82807.

It is an arithmetic number, because the mean of its divisors is an integer number (3361680).

Almost surely, 2^75677812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75677812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80680320).

75677812 is an abundant number, since it is smaller than the sum of its proper divisors (85682828).

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

75677812 is a wasteful number, since it uses less digits than its factorization.

75677812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its digits is 164640, while the sum is 43.

The square root of 75677812 is about 8699.2995120297. The cubic root of 75677812 is about 422.9829441303.

The spelling of 75677812 in words is "seventy-five million, six hundred seventy-seven thousand, eight hundred twelve".