1425772736 has 56 divisors (see below), whose sum is σ = 2878013040. Its totient is φ = 700710912.

The previous prime is 1425772729. The next prime is 1425772759. The reversal of 1425772736 is 6372775241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011200 + ... + 1012608.

It is an arithmetic number, because the mean of its divisors is an integer number (51393090).

Almost surely, 2^1425772736 is an apocalyptic number.

1425772736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425772736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439006520).

1425772736 is an abundant number, since it is smaller than the sum of its proper divisors (1452240304).

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

1425772736 is a wasteful number, since it uses less digits than its factorization.

1425772736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1671 counting only the distinct ones).

The product of its digits is 493920, while the sum is 44.

The square root of 1425772736 is about 37759.4059275302. The cubic root of 1425772736 is about 1125.5119279352.

The spelling of 1425772736 in words is "one billion, four hundred twenty-five million, seven hundred seventy-two thousand, seven hundred thirty-six".