1400073696 has 72 divisors (see below), whose sum is σ = 4550246064. Its totient is φ = 400020480.

The previous prime is 1400073683. The next prime is 1400073757. The reversal of 1400073696 is 6963700041.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×1400073696³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1400073696.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345225 + ... + 349256.

It is an arithmetic number, because the mean of its divisors is an integer number (63197862).

Almost surely, 2^1400073696 is an apocalyptic number.

1400073696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400073696 is an abundant number, since it is smaller than the sum of its proper divisors (3150172368).

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

1400073696 is a wasteful number, since it uses less digits than its factorization.

1400073696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694504 (or 694493 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1400073696 is about 37417.5586590039. The cubic root of 1400073696 is about 1118.7085709989.

The spelling of 1400073696 in words is "one billion, four hundred million, seventy-three thousand, six hundred ninety-six".