75412040 has 48 divisors (see below), whose sum is σ = 186516540. Its totient is φ = 27420800.

The previous prime is 75412037. The next prime is 75412069. The reversal of 75412040 is 4021457.

It can be written as a sum of positive squares in 2 ways, for example, as 73239364 + 2172676 = 8558^2 + 1474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75411997 and 75412015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2951 + ... + 12630.

Almost surely, 2^75412040 is an apocalyptic number.

It is an amenable number.

75412040 is an abundant number, since it is smaller than the sum of its proper divisors (111104500).

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

75412040 is a wasteful number, since it uses less digits than its factorization.

With its successor (75412041) it forms an eRAP, since the sums of their prime factors are consecutive (15614 and 15615).

75412040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15614 (or 15599 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 75412040 is about 8684.0105941898. The cubic root of 75412040 is about 422.4872071101.

Adding to 75412040 its reverse (4021457), we get a palindrome (79433497).

The spelling of 75412040 in words is "seventy-five million, four hundred twelve thousand, forty".