73713761 has 4 divisors (see below), whose sum is σ = 80415024. Its totient is φ = 67012500.

The previous prime is 73713709. The next prime is 73713793. The reversal of 73713761 is 16731737.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16731737 = 11 ⋅1521067.

It is a cyclic number.

It is not a de Polignac number, because 73713761 - 2⁶ = 73713697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73713161) 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, 3350615 + ... + 3350636.

It is an arithmetic number, because the mean of its divisors is an integer number (20103756).

Almost surely, 2^73713761 is an apocalyptic number.

It is an amenable number.

73713761 is a deficient number, since it is larger than the sum of its proper divisors (6701263).

73713761 is a wasteful number, since it uses less digits than its factorization.

73713761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701262.

The product of its digits is 18522, while the sum is 35.

The square root of 73713761 is about 8585.6718432514. The cubic root of 73713761 is about 419.2916271683.

The spelling of 73713761 in words is "seventy-three million, seven hundred thirteen thousand, seven hundred sixty-one".