1401372806 has 8 divisors (see below), whose sum is σ = 2102325624. Its totient is φ = 700597600.

The previous prime is 1401372799. The next prime is 1401372811. The reversal of 1401372806 is 6082731041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22520 + ... + 57531.

It is an arithmetic number, because the mean of its divisors is an integer number (262790703).

Almost surely, 2^1401372806 is an apocalyptic number.

1401372806 is a deficient number, since it is larger than the sum of its proper divisors (700952818).

1401372806 is an equidigital number, since it uses as much as digits as its factorization.

1401372806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88806.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1401372806 is about 37434.9142646273. The cubic root of 1401372806 is about 1119.0544756991.

The spelling of 1401372806 in words is "one billion, four hundred one million, three hundred seventy-two thousand, eight hundred six".