75949638 has 32 divisors (see below), whose sum is σ = 156643200. Its totient is φ = 24538176.

The previous prime is 75949633. The next prime is 75949667. The reversal of 75949638 is 83694957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75949633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24373 + ... + 27311.

It is an arithmetic number, because the mean of its divisors is an integer number (4895100).

Almost surely, 2^75949638 is an apocalyptic number.

75949638 is an abundant number, since it is smaller than the sum of its proper divisors (80693562).

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

75949638 is a wasteful number, since it uses less digits than its factorization.

75949638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076.

The product of its digits is 1632960, while the sum is 51.

The square root of 75949638 is about 8714.9089496104. The cubic root of 75949638 is about 423.4887743531.

The spelling of 75949638 in words is "seventy-five million, nine hundred forty-nine thousand, six hundred thirty-eight".