73407291040 has 24 divisors (see below), whose sum is σ = 173424725460. Its totient is φ = 29362916352.

The previous prime is 73407290947. The next prime is 73407291049. The reversal of 73407291040 is 4019270437.

It can be written as a sum of positive squares in 2 ways, for example, as 72401893776 + 1005397264 = 269076^2 + 31708^2 .

It is not an unprimeable number, because it can be changed into a prime (73407291049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229397625 + ... + 229397944.

Almost surely, 2^73407291040 is an apocalyptic number.

It is an amenable number.

73407291040 is an abundant number, since it is smaller than the sum of its proper divisors (100017434420).

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

73407291040 is a wasteful number, since it uses less digits than its factorization.

73407291040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458795584 (or 458795576 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 73407291040 in words is "seventy-three billion, four hundred seven million, two hundred ninety-one thousand, forty".