73660071 has 4 divisors (see below), whose sum is σ = 98213432. Its totient is φ = 49106712.

The previous prime is 73660051. The next prime is 73660079. The reversal of 73660071 is 17006637.

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

It is not a de Polignac number, because 73660071 - 2¹¹ = 73658023 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 (73660079) 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, 12276676 + ... + 12276681.

It is an arithmetic number, because the mean of its divisors is an integer number (24553358).

Almost surely, 2^73660071 is an apocalyptic number.

73660071 is a deficient number, since it is larger than the sum of its proper divisors (24553361).

73660071 is a wasteful number, since it uses less digits than its factorization.

73660071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24553360.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 73660071 is about 8582.5445527536. The cubic root of 73660071 is about 419.1898043204.

The spelling of 73660071 in words is "seventy-three million, six hundred sixty thousand, seventy-one".