102774740 has 24 divisors (see below), whose sum is σ = 217480032. Its totient is φ = 40795040.

The previous prime is 102774733. The next prime is 102774751. The reversal of 102774740 is 47477201.

It is a junction number, because it is equal to n+sod(n) for n = 102774697 and 102774706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (9061668).

Almost surely, 2^102774740 is an apocalyptic number.

102774740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102774740 is an abundant number, since it is smaller than the sum of its proper divisors (114705292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102774740 is a wasteful number, since it uses less digits than its factorization.

102774740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39367 (or 39365 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 102774740 is about 10137.7877271129. The cubic root of 102774740 is about 468.4128446060.

The spelling of 102774740 in words is "one hundred two million, seven hundred seventy-four thousand, seven hundred forty".