75949646 has 8 divisors (see below), whose sum is σ = 114038064. Its totient is φ = 37936960.

The previous prime is 75949633. The next prime is 75949667. The reversal of 75949646 is 64694957.

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

It is a junction number, because it is equal to n+sod(n) for n = 75949594 and 75949603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16355 + ... + 20478.

It is an arithmetic number, because the mean of its divisors is an integer number (14254758).

Almost surely, 2^75949646 is an apocalyptic number.

75949646 is a deficient number, since it is larger than the sum of its proper divisors (38088418).

75949646 is a wasteful number, since it uses less digits than its factorization.

75949646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37866.

The product of its digits is 1632960, while the sum is 50.

The square root of 75949646 is about 8714.9094085940. The cubic root of 75949646 is about 423.4887892222.

It can be divided in two parts, 759 and 49646, that added together give a palindrome (50405).

The spelling of 75949646 in words is "seventy-five million, nine hundred forty-nine thousand, six hundred forty-six".