276742390 has 16 divisors (see below), whose sum is σ = 499939632. Its totient is φ = 110296224.

The previous prime is 276742379. The next prime is 276742397. The reversal of 276742390 is 93247672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276742397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47184 + ... + 52723.

It is an arithmetic number, because the mean of its divisors is an integer number (31246227).

Almost surely, 2^276742390 is an apocalyptic number.

276742390 is a deficient number, since it is larger than the sum of its proper divisors (223197242).

276742390 is a wasteful number, since it uses less digits than its factorization.

276742390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100191.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 276742390 is about 16635.5760345111. The cubic root of 276742390 is about 651.6662496391. Note that the first 3 decimals are identical.

The spelling of 276742390 in words is "two hundred seventy-six million, seven hundred forty-two thousand, three hundred ninety".