915049274 has 4 divisors (see below), whose sum is σ = 1372573914. Its totient is φ = 457524636.

The previous prime is 915049229. The next prime is 915049277. The reversal of 915049274 is 472940519.

915049274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472940519 = 59 ⋅8015941.

It can be written as a sum of positive squares in only one way, i.e., 837697249 + 77352025 = 28943^2 + 8795^2 .

It is not an unprimeable number, because it can be changed into a prime (915049277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228762317 + ... + 228762320.

Almost surely, 2^915049274 is an apocalyptic number.

915049274 is a deficient number, since it is larger than the sum of its proper divisors (457524640).

915049274 is a wasteful number, since it uses less digits than its factorization.

915049274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457524639.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 915049274 is about 30249.7813876398. The cubic root of 915049274 is about 970.8411147679.

The spelling of 915049274 in words is "nine hundred fifteen million, forty-nine thousand, two hundred seventy-four".