73425307 has 4 divisors (see below), whose sum is σ = 73483560. Its totient is φ = 73367056.

The previous prime is 73425271. The next prime is 73425311. The reversal of 73425307 is 70352437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70352437 = 4057 ⋅17341.

It is a cyclic number.

It is not a de Polignac number, because 73425307 - 2¹⁹ = 72901019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73425007) 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 3 ways as a sum of consecutive naturals, for example, 27193 + ... + 29770.

It is an arithmetic number, because the mean of its divisors is an integer number (18370890).

Almost surely, 2^73425307 is an apocalyptic number.

73425307 is a deficient number, since it is larger than the sum of its proper divisors (58253).

73425307 is a wasteful number, since it uses less digits than its factorization.

73425307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58252.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 73425307 is about 8568.8568082329. The cubic root of 73425307 is about 418.7439933199.

The spelling of 73425307 in words is "seventy-three million, four hundred twenty-five thousand, three hundred seven".