73630615 has 4 divisors (see below), whose sum is σ = 88356744. Its totient is φ = 58904488.

The previous prime is 73630603. The next prime is 73630631. The reversal of 73630615 is 51603637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51603637 = 211 ⋅244567.

It is a cyclic number.

It is not a de Polignac number, because 73630615 - 2⁹ = 73630103 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7363057 + ... + 7363066.

It is an arithmetic number, because the mean of its divisors is an integer number (22089186).

Almost surely, 2^73630615 is an apocalyptic number.

73630615 is a deficient number, since it is larger than the sum of its proper divisors (14726129).

73630615 is a wasteful number, since it uses less digits than its factorization.

73630615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14726128.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 73630615 is about 8580.8283399681. The cubic root of 73630615 is about 419.1339201262.

The spelling of 73630615 in words is "seventy-three million, six hundred thirty thousand, six hundred fifteen".