73520425 has 24 divisors (see below), whose sum is σ = 100475712. Its totient is φ = 52920000.

The previous prime is 73520413. The next prime is 73520441. The reversal of 73520425 is 52402537.

It is not a de Polignac number, because 73520425 - 2¹¹ = 73518377 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73520393 and 73520402.

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, 26452 + ... + 29098.

It is an arithmetic number, because the mean of its divisors is an integer number (4186488).

Almost surely, 2^73520425 is an apocalyptic number.

It is an amenable number.

73520425 is a deficient number, since it is larger than the sum of its proper divisors (26955287).

73520425 is a wasteful number, since it uses less digits than its factorization.

73520425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 73520425 is about 8574.4052271863. The cubic root of 73520425 is about 418.9247343841.

The spelling of 73520425 in words is "seventy-three million, five hundred twenty thousand, four hundred twenty-five".