73715407490 has 8 divisors (see below), whose sum is σ = 132687733500. Its totient is φ = 29486162992.

The previous prime is 73715407459. The next prime is 73715407511. The reversal of 73715407490 is 9470451737.

It can be written as a sum of positive squares in 2 ways, for example, as 67817013889 + 5898393601 = 260417^2 + 76801^2 .

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

It is a super-2 number, since 2×73715407490² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 3685770365 + ... + 3685770384.

Almost surely, 2^73715407490 is an apocalyptic number.

73715407490 is a deficient number, since it is larger than the sum of its proper divisors (58972326010).

73715407490 is a wasteful number, since it uses less digits than its factorization.

73715407490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371540756.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 73715407490 in words is "seventy-three billion, seven hundred fifteen million, four hundred seven thousand, four hundred ninety".