276742148 has 6 divisors (see below), whose sum is σ = 484298766. Its totient is φ = 138371072.

The previous prime is 276742139. The next prime is 276742153. The reversal of 276742148 is 841247672.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 190660864 + 86081284 = 13808^2 + 9278^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34592765 + ... + 34592772.

It is an arithmetic number, because the mean of its divisors is an integer number (80716461).

Almost surely, 2^276742148 is an apocalyptic number.

It is an amenable number.

276742148 is a deficient number, since it is larger than the sum of its proper divisors (207556618).

276742148 is a wasteful number, since it uses less digits than its factorization.

276742148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69185541 (or 69185539 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 276742148 is about 16635.5687609411. The cubic root of 276742148 is about 651.6660596871. Note that the first 3 decimals are identical.

The spelling of 276742148 in words is "two hundred seventy-six million, seven hundred forty-two thousand, one hundred forty-eight".