73528630 has 48 divisors (see below), whose sum is σ = 156780000. Its totient is φ = 24321024.

The previous prime is 73528627. The next prime is 73528639. The reversal of 73528630 is 3682537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73528639) 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, 58246 + ... + 59494.

It is an arithmetic number, because the mean of its divisors is an integer number (3266250).

Almost surely, 2^73528630 is an apocalyptic number.

73528630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73528630 is an abundant number, since it is smaller than the sum of its proper divisors (83251370).

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

73528630 is a wasteful number, since it uses less digits than its factorization.

73528630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 73528630 is about 8574.8836726803. The cubic root of 73528630 is about 418.9403180335.

The spelling of 73528630 in words is "seventy-three million, five hundred twenty-eight thousand, six hundred thirty".