73945425 has 24 divisors (see below), whose sum is σ = 125565376. Its totient is φ = 38370240.

The previous prime is 73945411. The next prime is 73945457. The reversal of 73945425 is 52454937.

It is not a de Polignac number, because 73945425 - 2¹⁴ = 73929041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10549 + ... + 16098.

Almost surely, 2^73945425 is an apocalyptic number.

73945425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73945425 is a deficient number, since it is larger than the sum of its proper divisors (51619951).

73945425 is a wasteful number, since it uses less digits than its factorization.

73945425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26697 (or 26692 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 73945425 is about 8599.1525745273. The cubic root of 73945425 is about 419.7304108937.

It can be divided in two parts, 739 and 45425, that added together give a palindrome (46164).

The spelling of 73945425 in words is "seventy-three million, nine hundred forty-five thousand, four hundred twenty-five".