75190040 has 64 divisors (see below), whose sum is σ = 178459200. Its totient is φ = 28467712.

The previous prime is 75190039. The next prime is 75190043. The reversal of 75190040 is 4009157.

It is a junction number, because it is equal to n+sod(n) for n = 75189991 and 75190009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75190043) 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, 60869 + ... + 62091.

It is an arithmetic number, because the mean of its divisors is an integer number (2788425).

Almost surely, 2^75190040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75190040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89229600).

75190040 is an abundant number, since it is smaller than the sum of its proper divisors (103269160).

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

75190040 is a wasteful number, since it uses less digits than its factorization.

75190040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 75190040 is about 8671.2190607780. The cubic root of 75190040 is about 422.0722232129.

Adding to 75190040 its reverse (4009157), we get a palindrome (79199197).

The spelling of 75190040 in words is "seventy-five million, one hundred ninety thousand, forty".