75472438 has 8 divisors (see below), whose sum is σ = 113571288. Its totient is φ = 37615344.

The previous prime is 75472409. The next prime is 75472451. The reversal of 75472438 is 83427457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×75472438³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75472438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59656 + ... + 60907.

It is an arithmetic number, because the mean of its divisors is an integer number (14196411).

Almost surely, 2^75472438 is an apocalyptic number.

75472438 is a deficient number, since it is larger than the sum of its proper divisors (38098850).

75472438 is a wasteful number, since it uses less digits than its factorization.

75472438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120878.

The product of its digits is 188160, while the sum is 40.

The square root of 75472438 is about 8687.4874388398. The cubic root of 75472438 is about 422.5999679416.

The spelling of 75472438 in words is "seventy-five million, four hundred seventy-two thousand, four hundred thirty-eight".