73816457 has 8 divisors (see below), whose sum is σ = 86721600. Its totient is φ = 61943760.

The previous prime is 73816433. The next prime is 73816469. The reversal of 73816457 is 75461837.

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

It is a cyclic number.

It is not a de Polignac number, because 73816457 - 2⁸ = 73816201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73816417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257957 + ... + 258242.

It is an arithmetic number, because the mean of its divisors is an integer number (10840200).

Almost surely, 2^73816457 is an apocalyptic number.

It is an amenable number.

73816457 is a deficient number, since it is larger than the sum of its proper divisors (12905143).

73816457 is a wasteful number, since it uses less digits than its factorization.

73816457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516223.

The product of its digits is 141120, while the sum is 41.

The square root of 73816457 is about 8591.6504235217. The cubic root of 73816457 is about 419.4862520314.

The spelling of 73816457 in words is "seventy-three million, eight hundred sixteen thousand, four hundred fifty-seven".