75412039 has 4 divisors (see below), whose sum is σ = 75592440. Its totient is φ = 75231640.

The previous prime is 75412037. The next prime is 75412069. The reversal of 75412039 is 93021457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75412039 - 2¹ = 75412037 is a prime.

It is a super-2 number, since 2×75412039² = 11373951252275042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75412039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75412037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89572 + ... + 90409.

It is an arithmetic number, because the mean of its divisors is an integer number (18898110).

Almost surely, 2^75412039 is an apocalyptic number.

75412039 is a deficient number, since it is larger than the sum of its proper divisors (180401).

75412039 is a wasteful number, since it uses less digits than its factorization.

75412039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180400.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 75412039 is about 8684.0105366127. The cubic root of 75412039 is about 422.4872052426.

The spelling of 75412039 in words is "seventy-five million, four hundred twelve thousand, thirty-nine".