1401772701 has 8 divisors (see below), whose sum is σ = 2136034624. Its totient is φ = 801012960.

The previous prime is 1401772661. The next prime is 1401772717. The reversal of 1401772701 is 1072771041.

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

It is not a de Polignac number, because 1401772701 - 2⁷ = 1401772573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401772721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33375520 + ... + 33375561.

It is an arithmetic number, because the mean of its divisors is an integer number (267004328).

Almost surely, 2^1401772701 is an apocalyptic number.

It is an amenable number.

1401772701 is a deficient number, since it is larger than the sum of its proper divisors (734261923).

1401772701 is an equidigital number, since it uses as much as digits as its factorization.

1401772701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66751091.

The product of its (nonzero) digits is 2744, while the sum is 30.

The square root of 1401772701 is about 37440.2550872720. The cubic root of 1401772701 is about 1119.1609098395.

The spelling of 1401772701 in words is "one billion, four hundred one million, seven hundred seventy-two thousand, seven hundred one".