73140851 has 16 divisors (see below), whose sum is σ = 92358144. Its totient is φ = 56436864.

The previous prime is 73140841. The next prime is 73140869. The reversal of 73140851 is 15804137.

It is a cyclic number.

It is not a de Polignac number, because 73140851 - 2²² = 68946547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73140841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10625 + ... + 16098.

It is an arithmetic number, because the mean of its divisors is an integer number (5772384).

Almost surely, 2^73140851 is an apocalyptic number.

73140851 is a deficient number, since it is larger than the sum of its proper divisors (19217293).

73140851 is a wasteful number, since it uses less digits than its factorization.

73140851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26770.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 73140851 is about 8552.2424544677. The cubic root of 73140851 is about 418.2025433404.

Adding to 73140851 its reverse (15804137), we get a palindrome (88944988).

The spelling of 73140851 in words is "seventy-three million, one hundred forty thousand, eight hundred fifty-one".