73782628737 has 16 divisors (see below), whose sum is σ = 101109682560. Its totient is φ = 47858903856.

The previous prime is 73782628723. The next prime is 73782628747.

It is a happy number.

73782628737 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 73782628737 - 2⁷ = 73782628609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73782628747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90813 + ... + 394730.

It is an arithmetic number, because the mean of its divisors is an integer number (6319355160).

Almost surely, 2^73782628737 is an apocalyptic number.

It is an amenable number.

73782628737 is a deficient number, since it is larger than the sum of its proper divisors (27327053823).

73782628737 is an frugal number, since it uses more digits than its factorization.

73782628737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485657 (or 485583 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 60.

The spelling of 73782628737 in words is "seventy-three billion, seven hundred eighty-two million, six hundred twenty-eight thousand, seven hundred thirty-seven".