75770538 has 8 divisors (see below), whose sum is σ = 151541088. Its totient is φ = 25256844.

The previous prime is 75770507. The next prime is 75770543. The reversal of 75770538 is 83507757.

It is a sphenic number, since it is the product of 3 distinct primes.

75770538 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 75770538.

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, 6314206 + ... + 6314217.

It is an arithmetic number, because the mean of its divisors is an integer number (18942636).

Almost surely, 2^75770538 is an apocalyptic number.

75770538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75770538 is a wasteful number, since it uses less digits than its factorization.

75770538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628428.

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 75770538 is about 8704.6273900725. The cubic root of 75770538 is about 423.1556301850.

The spelling of 75770538 in words is "seventy-five million, seven hundred seventy thousand, five hundred thirty-eight".