1401673071 has 4 divisors (see below), whose sum is σ = 1868897432. Its totient is φ = 934448712.

The previous prime is 1401673019. The next prime is 1401673079. The reversal of 1401673071 is 1703761041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1401673071 - 2¹⁹ = 1401148783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401673079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233612176 + ... + 233612181.

It is an arithmetic number, because the mean of its divisors is an integer number (467224358).

Almost surely, 2^1401673071 is an apocalyptic number.

1401673071 is a deficient number, since it is larger than the sum of its proper divisors (467224361).

1401673071 is an equidigital number, since it uses as much as digits as its factorization.

1401673071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467224360.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1401673071 is about 37438.9245438487. The cubic root of 1401673071 is about 1119.1343946888.

The spelling of 1401673071 in words is "one billion, four hundred one million, six hundred seventy-three thousand, seventy-one".