73623761 has 6 divisors (see below), whose sum is σ = 75225810. Its totient is φ = 72055136.

The previous prime is 73623757. The next prime is 73623763. The reversal of 73623761 is 16732637.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67650625 + 5973136 = 8225^2 + 2444^2 .

It is not a de Polignac number, because 73623761 - 2² = 73623757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73623763) 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, 14456 + ... + 18873.

It is an arithmetic number, because the mean of its divisors is an integer number (12537635).

Almost surely, 2^73623761 is an apocalyptic number.

It is an amenable number.

73623761 is a deficient number, since it is larger than the sum of its proper divisors (1602049).

73623761 is an equidigital number, since it uses as much as digits as its factorization.

73623761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33423 (or 33376 counting only the distinct ones).

The product of its digits is 31752, while the sum is 35.

The square root of 73623761 is about 8580.4289519814. The cubic root of 73623761 is about 419.1209145169.

The spelling of 73623761 in words is "seventy-three million, six hundred twenty-three thousand, seven hundred sixty-one".