73667070077 has 4 divisors (see below), whose sum is σ = 73669208256. Its totient is φ = 73664931900.

The previous prime is 73667070067. The next prime is 73667070079. The reversal of 73667070077 is 77007076637.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77007076637 = 89203 ⋅863279.

It is a cyclic number.

It is not a de Polignac number, because 73667070077 - 2²² = 73662875773 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 (73667070079) 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, 1016549 + ... + 1086602.

It is an arithmetic number, because the mean of its divisors is an integer number (18417302064).

Almost surely, 2^73667070077 is an apocalyptic number.

It is an amenable number.

73667070077 is a deficient number, since it is larger than the sum of its proper divisors (2138179).

73667070077 is a wasteful number, since it uses less digits than its factorization.

73667070077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138178.

The product of its (nonzero) digits is 1815156, while the sum is 50.

The spelling of 73667070077 in words is "seventy-three billion, six hundred sixty-seven million, seventy thousand, seventy-seven".