73914857 has 2 divisors, whose sum is σ = 73914858. Its totient is φ = 73914856.

The previous prime is 73914839. The next prime is 73914887. The reversal of 73914857 is 75841937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64818601 + 9096256 = 8051^2 + 3016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73914857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73914887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36957428 + 36957429.

It is an arithmetic number, because the mean of its divisors is an integer number (36957429).

Almost surely, 2^73914857 is an apocalyptic number.

It is an amenable number.

73914857 is a deficient number, since it is larger than the sum of its proper divisors (1).

73914857 is an equidigital number, since it uses as much as digits as its factorization.

73914857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 73914857 is about 8597.3750063610. The cubic root of 73914857 is about 419.6725660369.

The spelling of 73914857 in words is "seventy-three million, nine hundred fourteen thousand, eight hundred fifty-seven".