1420694727 has 8 divisors (see below), whose sum is σ = 1906325616. Its totient is φ = 941096832.

The previous prime is 1420694711. The next prime is 1420694729. The reversal of 1420694727 is 7274960241.

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

It is not a de Polignac number, because 1420694727 - 2⁴ = 1420694711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420694729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507698 + ... + 1508639.

It is an arithmetic number, because the mean of its divisors is an integer number (238290702).

Almost surely, 2^1420694727 is an apocalyptic number.

1420694727 is a deficient number, since it is larger than the sum of its proper divisors (485630889).

1420694727 is a wasteful number, since it uses less digits than its factorization.

1420694727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016497.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1420694727 is about 37692.1043058092. The cubic root of 1420694727 is about 1124.1741367952.

The spelling of 1420694727 in words is "one billion, four hundred twenty million, six hundred ninety-four thousand, seven hundred twenty-seven".