73067266267561 has 4 divisors (see below), whose sum is σ = 76244103931392. Its totient is φ = 69890428603732.

The previous prime is 73067266267543. The next prime is 73067266267573. The reversal of 73067266267561 is 16576266276037.

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.

It is a cyclic number.

It is not a de Polignac number, because 73067266267561 - 2⁷ = 73067266267433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73067266267493 and 73067266267502.

It is not an unprimeable number, because it can be changed into a prime (73067266267531) 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, 1588418831881 + ... + 1588418831926.

It is an arithmetic number, because the mean of its divisors is an integer number (19061025982848).

Almost surely, 2^{73067266267561} is an apocalyptic number.

It is an amenable number.

73067266267561 is a deficient number, since it is larger than the sum of its proper divisors (3176837663831).

73067266267561 is a wasteful number, since it uses less digits than its factorization.

73067266267561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176837663830.

The product of its (nonzero) digits is 160030080, while the sum is 64.

The spelling of 73067266267561 in words is "seventy-three trillion, sixty-seven billion, two hundred sixty-six million, two hundred sixty-seven thousand, five hundred sixty-one".