73782697 has 6 divisors (see below), whose sum is σ = 76240554. Its totient is φ = 71401680.

The previous prime is 73782679. The next prime is 73782707. The reversal of 73782697 is 79628737.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 23386896 = 7099^2 + 4836^2 .

It is not a de Polignac number, because 73782697 - 2¹¹ = 73780649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73782697.

It is not an unprimeable number, because it can be changed into a prime (73782617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37428 + ... + 39349.

It is an arithmetic number, because the mean of its divisors is an integer number (12706759).

Almost surely, 2^73782697 is an apocalyptic number.

It is an amenable number.

73782697 is a deficient number, since it is larger than the sum of its proper divisors (2457857).

73782697 is an equidigital number, since it uses as much as digits as its factorization.

73782697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76839 (or 76808 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The square root of 73782697 is about 8589.6855006455. The cubic root of 73782697 is about 419.4222915183.

The spelling of 73782697 in words is "seventy-three million, seven hundred eighty-two thousand, six hundred ninety-seven".