1425420766 has 48 divisors (see below), whose sum is σ = 2712689280. Its totient is φ = 545740560.

The previous prime is 1425420761. The next prime is 1425420767. The reversal of 1425420766 is 6670245241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425420761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534745 + ... + 537403.

It is an arithmetic number, because the mean of its divisors is an integer number (56514360).

Almost surely, 2^1425420766 is an apocalyptic number.

1425420766 is a deficient number, since it is larger than the sum of its proper divisors (1287268514).

1425420766 is a wasteful number, since it uses less digits than its factorization.

1425420766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1425420766 is about 37754.7449468275. The cubic root of 1425420766 is about 1125.4193047034.

The spelling of 1425420766 in words is "one billion, four hundred twenty-five million, four hundred twenty thousand, seven hundred sixty-six".