73857011 has 4 divisors (see below), whose sum is σ = 74269800. Its totient is φ = 73444224.

The previous prime is 73856953. The next prime is 73857013. The reversal of 73857011 is 11075837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11075837 = 67 ⋅165311.

It is a cyclic number.

It is not a de Polignac number, because 73857011 - 2¹⁰ = 73855987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73857013) 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, 206126 + ... + 206483.

It is an arithmetic number, because the mean of its divisors is an integer number (18567450).

Almost surely, 2^73857011 is an apocalyptic number.

73857011 is a deficient number, since it is larger than the sum of its proper divisors (412789).

73857011 is a wasteful number, since it uses less digits than its factorization.

73857011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412788.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 73857011 is about 8594.0101815160. The cubic root of 73857011 is about 419.5630584407.

The spelling of 73857011 in words is "seventy-three million, eight hundred fifty-seven thousand, eleven".