73415825 has 24 divisors (see below), whose sum is σ = 105076608. Its totient is φ = 49841280.

The previous prime is 73415821. The next prime is 73415827. The reversal of 73415825 is 52851437.

It is a happy number.

It is not a de Polignac number, because 73415825 - 2² = 73415821 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (73415821) 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, 15989 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (4378192).

Almost surely, 2^73415825 is an apocalyptic number.

It is an amenable number.

73415825 is a deficient number, since it is larger than the sum of its proper divisors (31660783).

73415825 is a wasteful number, since it uses less digits than its factorization.

73415825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193 (or 4188 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 73415825 is about 8568.3035076963. The cubic root of 73415825 is about 418.7259672849.

The spelling of 73415825 in words is "seventy-three million, four hundred fifteen thousand, eight hundred twenty-five".