76145438 has 8 divisors (see below), whose sum is σ = 115266360. Its totient is φ = 37723320.

The previous prime is 76145417. The next prime is 76145449. The reversal of 76145438 is 83454167.

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

It is a super-3 number, since 3×76145438³ (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 174428 + ... + 174863.

It is an arithmetic number, because the mean of its divisors is an integer number (14408295).

Almost surely, 2^76145438 is an apocalyptic number.

76145438 is a deficient number, since it is larger than the sum of its proper divisors (39120922).

76145438 is a wasteful number, since it uses less digits than its factorization.

76145438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349402.

The product of its digits is 80640, while the sum is 38.

The square root of 76145438 is about 8726.1353416046. The cubic root of 76145438 is about 423.8523834949.

The spelling of 76145438 in words is "seventy-six million, one hundred forty-five thousand, four hundred thirty-eight".