1426723725 has 48 divisors (see below), whose sum is σ = 2854424448. Its totient is φ = 613847040.

The previous prime is 1426723709. The next prime is 1426723729. The reversal of 1426723725 is 5273276241.

It is not a de Polignac number, because 1426723725 - 2⁴ = 1426723709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426723729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71004 + ... + 88853.

It is an arithmetic number, because the mean of its divisors is an integer number (59467176).

Almost surely, 2^1426723725 is an apocalyptic number.

1426723725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1426723725 is an abundant number, since it is smaller than the sum of its proper divisors (1427700723).

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

1426723725 is a wasteful number, since it uses less digits than its factorization.

1426723725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159894 (or 159889 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 1426723725 is about 37771.9965715343. The cubic root of 1426723725 is about 1125.7621107659.

Adding to 1426723725 its reverse (5273276241), we get a palindrome (6699999966).

The spelling of 1426723725 in words is "one billion, four hundred twenty-six million, seven hundred twenty-three thousand, seven hundred twenty-five".