73014561408 has 64 divisors (see below), whose sum is σ = 198455320800. Its totient is φ = 23772177408.

The previous prime is 73014561379. The next prime is 73014561409. The reversal of 73014561408 is 80416541037.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×73014561408² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73014561409) 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, 2194443 + ... + 2227466.

Almost surely, 2^73014561408 is an apocalyptic number.

It is an amenable number.

73014561408 is an abundant number, since it is smaller than the sum of its proper divisors (125440759392).

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

73014561408 is a wasteful number, since it uses less digits than its factorization.

73014561408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421969 (or 4421957 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 73014561408 in words is "seventy-three billion, fourteen million, five hundred sixty-one thousand, four hundred eight".