57672121 has 8 divisors (see below), whose sum is σ = 64112384. Its totient is φ = 51518160.

The previous prime is 57672119. The next prime is 57672137. The reversal of 57672121 is 12127675.

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 57672121 - 2¹ = 57672119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57672101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71151 + ... + 71956.

It is an arithmetic number, because the mean of its divisors is an integer number (8014048).

Almost surely, 2^57672121 is an apocalyptic number.

It is an amenable number.

57672121 is a deficient number, since it is larger than the sum of its proper divisors (6440263).

57672121 is a wasteful number, since it uses less digits than its factorization.

57672121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143151.

The product of its digits is 5880, while the sum is 31.

The square root of 57672121 is about 7594.2162860956. The cubic root of 57672121 is about 386.3568719394.

Adding to 57672121 its reverse (12127675), we get a palindrome (69799796).

The spelling of 57672121 in words is "fifty-seven million, six hundred seventy-two thousand, one hundred twenty-one".