73868783 has 4 divisors (see below), whose sum is σ = 74001960. Its totient is φ = 73735608.

The previous prime is 73868777. The next prime is 73868807. The reversal of 73868783 is 38786837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38786837 = 1889 ⋅20533.

It is a cyclic number.

It is not a de Polignac number, because 73868783 - 2¹⁴ = 73852399 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 (73868083) 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, 65753 + ... + 66866.

It is an arithmetic number, because the mean of its divisors is an integer number (18500490).

Almost surely, 2^73868783 is an apocalyptic number.

73868783 is a deficient number, since it is larger than the sum of its proper divisors (133177).

73868783 is a wasteful number, since it uses less digits than its factorization.

73868783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133176.

The product of its digits is 1354752, while the sum is 50.

The square root of 73868783 is about 8594.6950498549. The cubic root of 73868783 is about 419.5853485112.

The spelling of 73868783 in words is "seventy-three million, eight hundred sixty-eight thousand, seven hundred eighty-three".