1400173672 has 16 divisors (see below), whose sum is σ = 2627381700. Its totient is φ = 699538560.

The previous prime is 1400173661. The next prime is 1400173673. The reversal of 1400173672 is 2763710041.

It can be written as a sum of positive squares in 2 ways, for example, as 1342929316 + 57244356 = 36646^2 + 7566^2 .

It is not an unprimeable number, because it can be changed into a prime (1400173673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57579 + ... + 78202.

Almost surely, 2^1400173672 is an apocalyptic number.

It is an amenable number.

1400173672 is a deficient number, since it is larger than the sum of its proper divisors (1227208028).

1400173672 is a wasteful number, since it uses less digits than its factorization.

1400173672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137076 (or 137072 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1400173672 is about 37418.8945854898. The cubic root of 1400173672 is about 1118.7351984892.

The spelling of 1400173672 in words is "one billion, four hundred million, one hundred seventy-three thousand, six hundred seventy-two".