73765966 has 8 divisors (see below), whose sum is σ = 114464520. Its totient is φ = 35611128.

The previous prime is 73765963. The next prime is 73766023. The reversal of 73765966 is 66956737.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73765963) 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, 635856 + ... + 635971.

It is an arithmetic number, because the mean of its divisors is an integer number (14308065).

Almost surely, 2^73765966 is an apocalyptic number.

73765966 is a deficient number, since it is larger than the sum of its proper divisors (40698554).

73765966 is a wasteful number, since it uses less digits than its factorization.

73765966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271858.

The product of its digits is 1428840, while the sum is 49.

The square root of 73765966 is about 8588.7115448128. The cubic root of 73765966 is about 419.3905863212.

The spelling of 73765966 in words is "seventy-three million, seven hundred sixty-five thousand, nine hundred sixty-six".