73667040007 has 4 divisors (see below), whose sum is σ = 80364043656. Its totient is φ = 66970036360.

The previous prime is 73667039977. The next prime is 73667040023. The reversal of 73667040007 is 70004076637.

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 73667040007 - 2³⁵ = 39307301639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73667040907) 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, 3348501808 + ... + 3348501829.

It is an arithmetic number, because the mean of its divisors is an integer number (20091010914).

Almost surely, 2^73667040007 is an apocalyptic number.

73667040007 is a deficient number, since it is larger than the sum of its proper divisors (6697003649).

73667040007 is a wasteful number, since it uses less digits than its factorization.

73667040007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697003648.

The product of its (nonzero) digits is 148176, while the sum is 40.

It can be divided in two parts, 736670 and 40007, that added together give a palindrome (776677).

The spelling of 73667040007 in words is "seventy-three billion, six hundred sixty-seven million, forty thousand, seven".