73152386 has 4 divisors (see below), whose sum is σ = 109728582. Its totient is φ = 36576192.

The previous prime is 73152379. The next prime is 73152419. The reversal of 73152386 is 68325137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68325137 = 431 ⋅158527.

It can be written as a sum of positive squares in only one way, i.e., 65205625 + 7946761 = 8075^2 + 2819^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18288095 + ... + 18288098.

Almost surely, 2^73152386 is an apocalyptic number.

73152386 is a deficient number, since it is larger than the sum of its proper divisors (36576196).

73152386 is a wasteful number, since it uses less digits than its factorization.

73152386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36576195.

The product of its digits is 30240, while the sum is 35.

The square root of 73152386 is about 8552.9168124097. The cubic root of 73152386 is about 418.2245270094.

The spelling of 73152386 in words is "seventy-three million, one hundred fifty-two thousand, three hundred eighty-six".