73871051 has 4 divisors (see below), whose sum is σ = 74973672. Its totient is φ = 72768432.

The previous prime is 73871041. The next prime is 73871081. The reversal of 73871051 is 15017837.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73871051 - 2¹⁴ = 73854667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73870999 and 73871017.

It is not an unprimeable number, because it can be changed into a prime (73871041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551210 + ... + 551343.

It is an arithmetic number, because the mean of its divisors is an integer number (18743418).

Almost surely, 2^73871051 is an apocalyptic number.

73871051 is a deficient number, since it is larger than the sum of its proper divisors (1102621).

73871051 is a wasteful number, since it uses less digits than its factorization.

73871051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102620.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 73871051 is about 8594.8269906962. The cubic root of 73871051 is about 419.5896426563.

Adding to 73871051 its reverse (15017837), we get a palindrome (88888888).

The spelling of 73871051 in words is "seventy-three million, eight hundred seventy-one thousand, fifty-one".