73630524 has 48 divisors (see below), whose sum is σ = 188818560. Its totient is φ = 22146240.

The previous prime is 73630517. The next prime is 73630559. The reversal of 73630524 is 42503637.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73630491 and 73630500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16342 + ... + 20354.

It is an arithmetic number, because the mean of its divisors is an integer number (3933720).

Almost surely, 2^73630524 is an apocalyptic number.

73630524 is the 4587-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73630524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94409280).

73630524 is an abundant number, since it is smaller than the sum of its proper divisors (115188036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73630524 is a wasteful number, since it uses less digits than its factorization.

73630524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 73630524 is about 8580.8230374481. The cubic root of 73630524 is about 419.1337474570.

The spelling of 73630524 in words is "seventy-three million, six hundred thirty thousand, five hundred twenty-four".