73457425 has 24 divisors (see below), whose sum is σ = 96931296. Its totient is φ = 55031040.

The previous prime is 73457413. The next prime is 73457429. The reversal of 73457425 is 52475437.

It is a happy number.

It is not a de Polignac number, because 73457425 - 2¹⁵ = 73424657 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73457429) 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, 130194 + ... + 130756.

It is an arithmetic number, because the mean of its divisors is an integer number (4038804).

Almost surely, 2^73457425 is an apocalyptic number.

It is an amenable number.

73457425 is a deficient number, since it is larger than the sum of its proper divisors (23473871).

73457425 is a wasteful number, since it uses less digits than its factorization.

73457425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 892 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 73457425 is about 8570.7307156391. The cubic root of 73457425 is about 418.8050406600.

The spelling of 73457425 in words is "seventy-three million, four hundred fifty-seven thousand, four hundred twenty-five".