73138630 has 8 divisors (see below), whose sum is σ = 131649552. Its totient is φ = 29255448.

The previous prime is 73138567. The next prime is 73138649. The reversal of 73138630 is 3683137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 73138592 and 73138601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3656922 + ... + 3656941.

It is an arithmetic number, because the mean of its divisors is an integer number (16456194).

Almost surely, 2^73138630 is an apocalyptic number.

73138630 is a deficient number, since it is larger than the sum of its proper divisors (58510922).

73138630 is a wasteful number, since it uses less digits than its factorization.

73138630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313870.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 73138630 is about 8552.1126044972. The cubic root of 73138630 is about 418.1983102421.

The spelling of 73138630 in words is "seventy-three million, one hundred thirty-eight thousand, six hundred thirty".