73427751 has 12 divisors (see below), whose sum is σ = 106715128. Its totient is φ = 48650544.

The previous prime is 73427749. The next prime is 73427803. The reversal of 73427751 is 15772437.

It is not a de Polignac number, because 73427751 - 2¹ = 73427749 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 (73427701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23560 + ... + 26493.

Almost surely, 2^73427751 is an apocalyptic number.

73427751 is a deficient number, since it is larger than the sum of its proper divisors (33287377).

73427751 is a wasteful number, since it uses less digits than its factorization.

73427751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50222 (or 50219 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 73427751 is about 8568.9994165013. Note that the first 3 decimals coincide. The cubic root of 73427751 is about 418.7486393065.

The spelling of 73427751 in words is "seventy-three million, four hundred twenty-seven thousand, seven hundred fifty-one".