73018981372 has 12 divisors (see below), whose sum is σ = 131905256896. Its totient is φ = 35331765120.

The previous prime is 73018981333. The next prime is 73018981379. The reversal of 73018981372 is 27318981037.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73018981379) 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, 294431253 + ... + 294431500.

Almost surely, 2^73018981372 is an apocalyptic number.

It is an amenable number.

73018981372 is a deficient number, since it is larger than the sum of its proper divisors (58886275524).

73018981372 is a wasteful number, since it uses less digits than its factorization.

73018981372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588862788 (or 588862786 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 73018981372 in words is "seventy-three billion, eighteen million, nine hundred eighty-one thousand, three hundred seventy-two".