75950388 has 18 divisors (see below), whose sum is σ = 191985794. Its totient is φ = 25316784.

The previous prime is 75950387. The next prime is 75950401. The reversal of 75950388 is 88305957.

It can be written as a sum of positive squares in only one way, i.e., 68757264 + 7193124 = 8292^2 + 2682^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×75950388² = 11536922874701088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75950383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1054831 + ... + 1054902.

Almost surely, 2^75950388 is an apocalyptic number.

It is an amenable number.

75950388 is an abundant number, since it is smaller than the sum of its proper divisors (116035406).

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

75950388 is a wasteful number, since it uses less digits than its factorization.

75950388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109743 (or 2109738 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 75950388 is about 8714.9519792137. The cubic root of 75950388 is about 423.4901683274.

The spelling of 75950388 in words is "seventy-five million, nine hundred fifty thousand, three hundred eighty-eight".