75840150 has 24 divisors (see below), whose sum is σ = 188083944. Its totient is φ = 20224000.

The previous prime is 75840139. The next prime is 75840157. The reversal of 75840150 is 5104857.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75840157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252651 + ... + 252950.

It is an arithmetic number, because the mean of its divisors is an integer number (7836831).

Almost surely, 2^75840150 is an apocalyptic number.

75840150 is an abundant number, since it is smaller than the sum of its proper divisors (112243794).

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

75840150 is a wasteful number, since it uses less digits than its factorization.

75840150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505616 (or 505611 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 75840150 is about 8708.6250349869. The cubic root of 75840150 is about 423.2851778705.

The spelling of 75840150 in words is "seventy-five million, eight hundred forty thousand, one hundred fifty".