73187030 has 16 divisors (see below), whose sum is σ = 150556320. Its totient is φ = 25092672.

The previous prime is 73187029. The next prime is 73187041. The reversal of 73187030 is 3078137.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73186984 and 73187002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522695 + ... + 522834.

It is an arithmetic number, because the mean of its divisors is an integer number (9409770).

Almost surely, 2^73187030 is an apocalyptic number.

73187030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73187030 is an abundant number, since it is smaller than the sum of its proper divisors (77369290).

73187030 is a wasteful number, since it uses less digits than its factorization.

73187030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045543.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 73187030 is about 8554.9418466755. The cubic root of 73187030 is about 418.2905384532.

The spelling of 73187030 in words is "seventy-three million, one hundred eighty-seven thousand, thirty".