102748773 has 4 divisors (see below), whose sum is σ = 136998368. Its totient is φ = 68499180.

The previous prime is 102748757. The next prime is 102748777. The reversal of 102748773 is 377847201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 377847201 = 3 ⋅125949067.

It is not a de Polignac number, because 102748773 - 2⁴ = 102748757 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 (102748777) 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, 17124793 + ... + 17124798.

It is an arithmetic number, because the mean of its divisors is an integer number (34249592).

Almost surely, 2^102748773 is an apocalyptic number.

It is an amenable number.

102748773 is a deficient number, since it is larger than the sum of its proper divisors (34249595).

102748773 is an equidigital number, since it uses as much as digits as its factorization.

102748773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34249594.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 102748773 is about 10136.5069427293. The cubic root of 102748773 is about 468.3733916533.

The spelling of 102748773 in words is "one hundred two million, seven hundred forty-eight thousand, seven hundred seventy-three".