1420475668 has 12 divisors (see below), whose sum is σ = 2546462772. Its totient is φ = 692914880.

The previous prime is 1420475659. The next prime is 1420475671. The reversal of 1420475668 is 8665740241.

It can be written as a sum of positive squares in 2 ways, for example, as 792872964 + 627602704 = 28158^2 + 25052^2 .

It is a super-2 number, since 2×1420475668² = 4035502246760092448, which contains 22 as substring.

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, 4330555 + ... + 4330882.

It is an arithmetic number, because the mean of its divisors is an integer number (212205231).

Almost surely, 2^1420475668 is an apocalyptic number.

It is an amenable number.

1420475668 is a deficient number, since it is larger than the sum of its proper divisors (1125987104).

1420475668 is a wasteful number, since it uses less digits than its factorization.

1420475668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661482 (or 8661480 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 1420475668 is about 37689.1982934103. The cubic root of 1420475668 is about 1124.1163544733.

The spelling of 1420475668 in words is "one billion, four hundred twenty million, four hundred seventy-five thousand, six hundred sixty-eight".