75672131 has 8 divisors (see below), whose sum is σ = 77584320. Its totient is φ = 73766952.

The previous prime is 75672127. The next prime is 75672133. The reversal of 75672131 is 13127657.

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 75672131 - 2² = 75672127 is a prime.

It is a super-2 number, since 2×75672131² = 11452542820162322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75672133) 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, 25196 + ... + 28038.

It is an arithmetic number, because the mean of its divisors is an integer number (9698040).

Almost surely, 2^75672131 is an apocalyptic number.

75672131 is a deficient number, since it is larger than the sum of its proper divisors (1912189).

75672131 is a wasteful number, since it uses less digits than its factorization.

75672131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505.

The product of its digits is 8820, while the sum is 32.

The square root of 75672131 is about 8698.9729853587. The cubic root of 75672131 is about 422.9723596706.

Adding to 75672131 its reverse (13127657), we get a palindrome (88799788).

The spelling of 75672131 in words is "seventy-five million, six hundred seventy-two thousand, one hundred thirty-one".