276650740 has 12 divisors (see below), whose sum is σ = 580966596. Its totient is φ = 110660288.

The previous prime is 276650729. The next prime is 276650767. The reversal of 276650740 is 47056672.

276650740 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55890576 + 220760164 = 7476^2 + 14858^2 .

276650740 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 276650740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6916249 + ... + 6916288.

It is an arithmetic number, because the mean of its divisors is an integer number (48413883).

Almost surely, 2^276650740 is an apocalyptic number.

276650740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276650740 is an abundant number, since it is smaller than the sum of its proper divisors (304315856).

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

276650740 is a wasteful number, since it uses less digits than its factorization.

276650740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13832546 (or 13832544 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 276650740 is about 16632.8211677995. The cubic root of 276650740 is about 651.5943032992.

The spelling of 276650740 in words is "two hundred seventy-six million, six hundred fifty thousand, seven hundred forty".