1426690274 has 4 divisors (see below), whose sum is σ = 2140035414. Its totient is φ = 713345136.

The previous prime is 1426690271. The next prime is 1426690283. The reversal of 1426690274 is 4720966241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1056705049 + 369985225 = 32507^2 + 19235^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1426690271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356672567 + ... + 356672570.

Almost surely, 2^1426690274 is an apocalyptic number.

1426690274 is a deficient number, since it is larger than the sum of its proper divisors (713345140).

1426690274 is an equidigital number, since it uses as much as digits as its factorization.

1426690274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713345139.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1426690274 is about 37771.5537673525. The cubic root of 1426690274 is about 1125.7533124816.

The spelling of 1426690274 in words is "one billion, four hundred twenty-six million, six hundred ninety thousand, two hundred seventy-four".