73960891 has 4 divisors (see below), whose sum is σ = 75959872. Its totient is φ = 71961912.

The previous prime is 73960883. The next prime is 73960919. The reversal of 73960891 is 19806937.

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

It is a cyclic number.

It is not a de Polignac number, because 73960891 - 2³ = 73960883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73960871) 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, 999435 + ... + 999508.

It is an arithmetic number, because the mean of its divisors is an integer number (18989968).

Almost surely, 2^73960891 is an apocalyptic number.

73960891 is a deficient number, since it is larger than the sum of its proper divisors (1998981).

73960891 is a wasteful number, since it uses less digits than its factorization.

73960891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998980.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 73960891 is about 8600.0518021696. The cubic root of 73960891 is about 419.7596716537.

The spelling of 73960891 in words is "seventy-three million, nine hundred sixty thousand, eight hundred ninety-one".