1400006725 has 48 divisors (see below), whose sum is σ = 1907877888. Its totient is φ = 1012919040.

The previous prime is 1400006687. The next prime is 1400006731. The reversal of 1400006725 is 5276000041.

It is not a de Polignac number, because 1400006725 - 2¹¹ = 1400004677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400006725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4416267 + ... + 4416583.

It is an arithmetic number, because the mean of its divisors is an integer number (39747456).

Almost surely, 2^1400006725 is an apocalyptic number.

It is an amenable number.

1400006725 is a deficient number, since it is larger than the sum of its proper divisors (507871163).

1400006725 is a wasteful number, since it uses less digits than its factorization.

1400006725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1400006725 is about 37416.6637342241. The cubic root of 1400006725 is about 1118.6907333126.

Adding to 1400006725 its reverse (5276000041), we get a palindrome (6676006766).

The spelling of 1400006725 in words is "one billion, four hundred million, six thousand, seven hundred twenty-five".