1425331974 has 64 divisors (see below), whose sum is σ = 3165765120. Its totient is φ = 424216320.

The previous prime is 1425331931. The next prime is 1425331979. The reversal of 1425331974 is 4791335241.

It is a super-2 number, since 2×1425331974² = 4063142472213473352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425331979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980232 + ... + 981684.

It is an arithmetic number, because the mean of its divisors is an integer number (49465080).

Almost surely, 2^1425331974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425331974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582882560).

1425331974 is an abundant number, since it is smaller than the sum of its proper divisors (1740433146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425331974 is a wasteful number, since it uses less digits than its factorization.

1425331974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its digits is 90720, while the sum is 39.

The square root of 1425331974 is about 37753.5690233387. The cubic root of 1425331974 is about 1125.3959360934.

The spelling of 1425331974 in words is "one billion, four hundred twenty-five million, three hundred thirty-one thousand, nine hundred seventy-four".