1974279275 has 12 divisors (see below), whose sum is σ = 2592113112. Its totient is φ = 1486515840.

The previous prime is 1974279271. The next prime is 1974279277. The reversal of 1974279275 is 5729724791.

It is not a de Polignac number, because 1974279275 - 2² = 1974279271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1974279271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2322257 + ... + 2323106.

It is an arithmetic number, because the mean of its divisors is an integer number (216009426).

Almost surely, 2^1974279275 is an apocalyptic number.

1974279275 is a deficient number, since it is larger than the sum of its proper divisors (617833837).

1974279275 is a wasteful number, since it uses less digits than its factorization.

1974279275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645390 (or 4645385 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 53.

The square root of 1974279275 is about 44432.8625568959. The cubic root of 1974279275 is about 1254.4967162370.

The spelling of 1974279275 in words is "one billion, nine hundred seventy-four million, two hundred seventy-nine thousand, two hundred seventy-five".