73408425 has 24 divisors (see below), whose sum is σ = 125557440. Its totient is φ = 37800000.

The previous prime is 73408421. The next prime is 73408427. The reversal of 73408425 is 52480437.

It is not a de Polignac number, because 73408425 - 2² = 73408421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73408421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14701 + ... + 19050.

It is an arithmetic number, because the mean of its divisors is an integer number (5231560).

Almost surely, 2^73408425 is an apocalyptic number.

73408425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73408425 is a deficient number, since it is larger than the sum of its proper divisors (52149015).

73408425 is a wasteful number, since it uses less digits than its factorization.

73408425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33793 (or 33788 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 73408425 is about 8567.8716727085. The cubic root of 73408425 is about 418.7118982189.

The spelling of 73408425 in words is "seventy-three million, four hundred eight thousand, four hundred twenty-five".