73477230861 has 8 divisors (see below), whose sum is σ = 97973707744. Its totient is φ = 48982787280.

The previous prime is 73477230847. The next prime is 73477230877. The reversal of 73477230861 is 16803277437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73477230861 - 2¹⁸ = 73476968717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73477230861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73477210861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421906 + ... + 570051.

It is an arithmetic number, because the mean of its divisors is an integer number (12246713468).

Almost surely, 2^73477230861 is an apocalyptic number.

It is an amenable number.

73477230861 is a deficient number, since it is larger than the sum of its proper divisors (24496476883).

73477230861 is a wasteful number, since it uses less digits than its factorization.

73477230861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016651.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 73477230861 in words is "seventy-three billion, four hundred seventy-seven million, two hundred thirty thousand, eight hundred sixty-one".