73553130 has 64 divisors (see below), whose sum is σ = 224167680. Its totient is φ = 16811712.

The previous prime is 73553119. The next prime is 73553153. The reversal of 73553130 is 3135537.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73553094 and 73553103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17569 + ... + 21348.

It is an arithmetic number, because the mean of its divisors is an integer number (3502620).

Almost surely, 2^73553130 is an apocalyptic number.

73553130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73553130 is an abundant number, since it is smaller than the sum of its proper divisors (150614550).

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

73553130 is a wasteful number, since it uses less digits than its factorization.

73553130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38940 (or 38934 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 73553130 is about 8576.3121445059. The cubic root of 73553130 is about 418.9868436658.

Adding to 73553130 its reverse (3135537), we get a palindrome (76688667).

The spelling of 73553130 in words is "seventy-three million, five hundred fifty-three thousand, one hundred thirty".