73813715 has 4 divisors (see below), whose sum is σ = 88576464. Its totient is φ = 59050968.

The previous prime is 73813709. The next prime is 73813763. The reversal of 73813715 is 51731837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51731837 = 263 ⋅196699.

It is a cyclic number.

It is not a de Polignac number, because 73813715 - 2⁸ = 73813459 is a prime.

It is a Duffinian 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, 7381367 + ... + 7381376.

It is an arithmetic number, because the mean of its divisors is an integer number (22144116).

Almost surely, 2^73813715 is an apocalyptic number.

73813715 is a deficient number, since it is larger than the sum of its proper divisors (14762749).

73813715 is a wasteful number, since it uses less digits than its factorization.

73813715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14762748.

The product of its digits is 17640, while the sum is 35.

The square root of 73813715 is about 8591.4908485082. The cubic root of 73813715 is about 419.4810578620.

The spelling of 73813715 in words is "seventy-three million, eight hundred thirteen thousand, seven hundred fifteen".