10274778 has 12 divisors (see below), whose sum is σ = 22262058. Its totient is φ = 3424920.

The previous prime is 10274773. The next prime is 10274809. The reversal of 10274778 is 87747201.

It can be written as a sum of positive squares in only one way, i.e., 8982009 + 1292769 = 2997^2 + 1137^2 .

It is not an unprimeable number, because it can be changed into a prime (10274773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285393 + ... + 285428.

Almost surely, 2^10274778 is an apocalyptic number.

10274778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10274778 is an abundant number, since it is smaller than the sum of its proper divisors (11987280).

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

10274778 is a wasteful number, since it uses less digits than its factorization.

10274778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570829 (or 570826 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 10274778 is about 3205.4294564067. The cubic root of 10274778 is about 217.3989701216.

The spelling of 10274778 in words is "ten million, two hundred seventy-four thousand, seven hundred seventy-eight".