73667420 has 24 divisors (see below), whose sum is σ = 154967904. Its totient is φ = 29416256.

The previous prime is 73667417. The next prime is 73667423. The reversal of 73667420 is 2476637.

It is an interprime number because it is at equal distance from previous prime (73667417) and next prime (73667423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73667423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10094 + ... + 15786.

It is an arithmetic number, because the mean of its divisors is an integer number (6456996).

Almost surely, 2^73667420 is an apocalyptic number.

It is an amenable number.

73667420 is an abundant number, since it is smaller than the sum of its proper divisors (81300484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73667420 is a wasteful number, since it uses less digits than its factorization.

73667420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349 (or 6347 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 73667420 is about 8582.9726785071. The cubic root of 73667420 is about 419.2037445886.

The spelling of 73667420 in words is "seventy-three million, six hundred sixty-seven thousand, four hundred twenty".