73671445 has 8 divisors (see below), whose sum is σ = 88452000. Its totient is φ = 58906320.

The previous prime is 73671443. The next prime is 73671449. The reversal of 73671445 is 54417637.

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

It is not a de Polignac number, because 73671445 - 2¹ = 73671443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73671443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15390 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (11056500).

Almost surely, 2^73671445 is an apocalyptic number.

It is an amenable number.

73671445 is a deficient number, since it is larger than the sum of its proper divisors (14780555).

73671445 is a wasteful number, since it uses less digits than its factorization.

73671445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715.

The product of its digits is 70560, while the sum is 37.

The square root of 73671445 is about 8583.2071511761. The cubic root of 73671445 is about 419.2113791908.

The spelling of 73671445 in words is "seventy-three million, six hundred seventy-one thousand, four hundred forty-five".