420783610742 has 48 divisors (see below), whose sum is σ = 697553588592. Its totient is φ = 190223880000.

The previous prime is 420783610727. The next prime is 420783610757. The reversal of 420783610742 is 247016387024.

It is an interprime number because it is at equal distance from previous prime (420783610727) and next prime (420783610757).

It is a junction number, because it is equal to n+sod(n) for n = 420783610693 and 420783610702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121576892 + ... + 121580352.

It is an arithmetic number, because the mean of its divisors is an integer number (14532366429).

Almost surely, 2^420783610742 is an apocalyptic number.

420783610742 is a deficient number, since it is larger than the sum of its proper divisors (276769977850).

420783610742 is a wasteful number, since it uses less digits than its factorization.

420783610742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077 (or 6066 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

Adding to 420783610742 its reverse (247016387024), we get a palindrome (667799997766).

The spelling of 420783610742 in words is "four hundred twenty billion, seven hundred eighty-three million, six hundred ten thousand, seven hundred forty-two".