73413847 has 4 divisors (see below), whose sum is σ = 79061080. Its totient is φ = 67766616.

The previous prime is 73413839. The next prime is 73413881. The reversal of 73413847 is 74831437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74831437 = 41 ⋅1825157.

It is a cyclic number.

It is not a de Polignac number, because 73413847 - 2³ = 73413839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73413047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823597 + ... + 2823622.

It is an arithmetic number, because the mean of its divisors is an integer number (19765270).

Almost surely, 2^73413847 is an apocalyptic number.

73413847 is a deficient number, since it is larger than the sum of its proper divisors (5647233).

73413847 is a wasteful number, since it uses less digits than its factorization.

73413847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647232.

The product of its digits is 56448, while the sum is 37.

The square root of 73413847 is about 8568.1880815024. The cubic root of 73413847 is about 418.7222067541.

The spelling of 73413847 in words is "seventy-three million, four hundred thirteen thousand, eight hundred forty-seven".