1421907474 has 16 divisors (see below), whose sum is σ = 3062570112. Its totient is φ = 437509968.

The previous prime is 1421907467. The next prime is 1421907533. The reversal of 1421907474 is 4747091241.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9114714 + ... + 9114869.

It is an arithmetic number, because the mean of its divisors is an integer number (191410632).

Almost surely, 2^1421907474 is an apocalyptic number.

1421907474 is an abundant number, since it is smaller than the sum of its proper divisors (1640662638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421907474 is a wasteful number, since it uses less digits than its factorization.

1421907474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18229601.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 1421907474 is about 37708.1884210844. The cubic root of 1421907474 is about 1124.4939219072.

The spelling of 1421907474 in words is "one billion, four hundred twenty-one million, nine hundred seven thousand, four hundred seventy-four".