73484739 has 20 divisors (see below), whose sum is σ = 110006424. Its totient is φ = 48885984.

The previous prime is 73484737. The next prime is 73484771. The reversal of 73484739 is 93748437.

It is a happy number.

It is not a de Polignac number, because 73484739 - 2¹ = 73484737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73484694 and 73484703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73484731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66439 + ... + 67535.

It is a vampire number, since it can be written as 7443 ⋅ 9873 (with its own digits).

Almost surely, 2^73484739 is an apocalyptic number.

73484739 is a deficient number, since it is larger than the sum of its proper divisors (36521685).

73484739 is a wasteful number, since it uses less digits than its factorization.

73484739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1927 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 73484739 is about 8572.3240139416. The cubic root of 73484739 is about 418.8569429391.

The spelling of 73484739 in words is "seventy-three million, four hundred eighty-four thousand, seven hundred thirty-nine".