73671007 has 4 divisors (see below), whose sum is σ = 75061080. Its totient is φ = 72280936.

The previous prime is 73670977. The next prime is 73671011. The reversal of 73671007 is 70017637.

It is a happy number.

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 73671007 - 2⁷ = 73670879 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73671007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73671067) 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, 694957 + ... + 695062.

It is an arithmetic number, because the mean of its divisors is an integer number (18765270).

Almost surely, 2^73671007 is an apocalyptic number.

73671007 is a deficient number, since it is larger than the sum of its proper divisors (1390073).

73671007 is a wasteful number, since it uses less digits than its factorization.

73671007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390072.

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 73671007 is about 8583.1816361999. The cubic root of 73671007 is about 419.2105484078.

The spelling of 73671007 in words is "seventy-three million, six hundred seventy-one thousand, seven".