1425765674 has 4 divisors (see below), whose sum is σ = 2138648514. Its totient is φ = 712882836.

The previous prime is 1425765661. The next prime is 1425765689. The reversal of 1425765674 is 4765675241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4765675241 = 29 ⋅164333629.

It can be written as a sum of positive squares in only one way, i.e., 1232361025 + 193404649 = 35105^2 + 13907^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356441417 + ... + 356441420.

Almost surely, 2^1425765674 is an apocalyptic number.

1425765674 is a deficient number, since it is larger than the sum of its proper divisors (712882840).

1425765674 is an equidigital number, since it uses as much as digits as its factorization.

1425765674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712882839.

The product of its digits is 1411200, while the sum is 47.

The square root of 1425765674 is about 37759.3124142906. The cubic root of 1425765674 is about 1125.5100696731.

The spelling of 1425765674 in words is "one billion, four hundred twenty-five million, seven hundred sixty-five thousand, six hundred seventy-four".