75342631 has 8 divisors (see below), whose sum is σ = 92729504. Its totient is φ = 59611680.

The previous prime is 75342583. The next prime is 75342677. The reversal of 75342631 is 13624357.

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

It is a cyclic number.

It is not a de Polignac number, because 75342631 - 2⁹ = 75342119 is a prime.

It is a super-2 number, since 2×75342631² = 11353024092004322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75342593 and 75342602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75342731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413880 + ... + 414061.

It is an arithmetic number, because the mean of its divisors is an integer number (11591188).

Almost surely, 2^75342631 is an apocalyptic number.

75342631 is a deficient number, since it is larger than the sum of its proper divisors (17386873).

75342631 is a wasteful number, since it uses less digits than its factorization.

75342631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827961.

The product of its digits is 15120, while the sum is 31.

The square root of 75342631 is about 8680.0133064414. The cubic root of 75342631 is about 422.3575486989.

Adding to 75342631 its reverse (13624357), we get a palindrome (88966988).

The spelling of 75342631 in words is "seventy-five million, three hundred forty-two thousand, six hundred thirty-one".