73945694 has 4 divisors (see below), whose sum is σ = 110918544. Its totient is φ = 36972846.

The previous prime is 73945691. The next prime is 73945747. The reversal of 73945694 is 49654937.

It is a happy number.

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

It is a super-2 number, since 2×73945694² = 10935931322283272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73945691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18486422 + ... + 18486425.

It is an arithmetic number, because the mean of its divisors is an integer number (27729636).

Almost surely, 2^73945694 is an apocalyptic number.

73945694 is a deficient number, since it is larger than the sum of its proper divisors (36972850).

73945694 is a wasteful number, since it uses less digits than its factorization.

73945694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36972849.

The product of its digits is 816480, while the sum is 47.

The square root of 73945694 is about 8599.1682155892. The cubic root of 73945694 is about 419.7309198607.

The spelling of 73945694 in words is "seventy-three million, nine hundred forty-five thousand, six hundred ninety-four".