73514421 has 6 divisors (see below), whose sum is σ = 106187510. Its totient is φ = 49009608.

The previous prime is 73514383. The next prime is 73514429. The reversal of 73514421 is 12441537.

It can be written as a sum of positive squares in only one way, i.e., 72335025 + 1179396 = 8505^2 + 1086^2 .

It is not a de Polignac number, because 73514421 - 2¹⁰ = 73513397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73514429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4084126 + ... + 4084143.

Almost surely, 2^73514421 is an apocalyptic number.

It is an amenable number.

73514421 is a deficient number, since it is larger than the sum of its proper divisors (32673089).

73514421 is a wasteful number, since it uses less digits than its factorization.

73514421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8168275 (or 8168272 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 73514421 is about 8574.0551082904. The cubic root of 73514421 is about 418.9133303306.

Adding to 73514421 its reverse (12441537), we get a palindrome (85955958).

The spelling of 73514421 in words is "seventy-three million, five hundred fourteen thousand, four hundred twenty-one".