73910072 has 8 divisors (see below), whose sum is σ = 138581400. Its totient is φ = 36955032.

The previous prime is 73910071. The next prime is 73910099. The reversal of 73910072 is 27001937.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73910071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4619372 + ... + 4619387.

It is an arithmetic number, because the mean of its divisors is an integer number (17322675).

Almost surely, 2^73910072 is an apocalyptic number.

It is an amenable number.

73910072 is a deficient number, since it is larger than the sum of its proper divisors (64671328).

73910072 is a wasteful number, since it uses less digits than its factorization.

73910072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9238765 (or 9238761 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 73910072 is about 8597.0967192419. The cubic root of 73910072 is about 419.6635097766.

The spelling of 73910072 in words is "seventy-three million, nine hundred ten thousand, seventy-two".