75890642 has 8 divisors (see below), whose sum is σ = 113875632. Its totient is φ = 37932100.

The previous prime is 75890641. The next prime is 75890653. The reversal of 75890642 is 24609857.

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

It is a self number, because there is not a number n which added to its sum of digits gives 75890642.

It is not an unprimeable number, because it can be changed into a prime (75890641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (14234454).

Almost surely, 2^75890642 is an apocalyptic number.

75890642 is a deficient number, since it is larger than the sum of its proper divisors (37984990).

75890642 is a wasteful number, since it uses less digits than its factorization.

75890642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13224.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 75890642 is about 8711.5235177321. The cubic root of 75890642 is about 423.3790937093.

The spelling of 75890642 in words is "seventy-five million, eight hundred ninety thousand, six hundred forty-two".