1425557674 has 8 divisors (see below), whose sum is σ = 2139911748. Its totient is φ = 712253760.

The previous prime is 1425557663. The next prime is 1425557677. The reversal of 1425557674 is 4767555241.

It can be written as a sum of positive squares in 2 ways, for example, as 1425440025 + 117649 = 37755^2 + 343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1425557677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259137 + ... + 264580.

Almost surely, 2^1425557674 is an apocalyptic number.

1425557674 is a deficient number, since it is larger than the sum of its proper divisors (714354074).

1425557674 is a wasteful number, since it uses less digits than its factorization.

1425557674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525080.

The product of its digits is 1176000, while the sum is 46.

The square root of 1425557674 is about 37756.5580263879. The cubic root of 1425557674 is about 1125.4553347602.

The spelling of 1425557674 in words is "one billion, four hundred twenty-five million, five hundred fifty-seven thousand, six hundred seventy-four".