1420434070 has 64 divisors (see below), whose sum is σ = 2877659136. Its totient is φ = 500273280.

The previous prime is 1420434061. The next prime is 1420434089. The reversal of 1420434070 is 704340241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069747 + ... + 1071073.

It is an arithmetic number, because the mean of its divisors is an integer number (44963424).

Almost surely, 2^1420434070 is an apocalyptic number.

1420434070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420434070 is an abundant number, since it is smaller than the sum of its proper divisors (1457225066).

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

1420434070 is a wasteful number, since it uses less digits than its factorization.

1420434070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1420434070 is about 37688.6464336410. The cubic root of 1420434070 is about 1124.1053812832.

The spelling of 1420434070 in words is "one billion, four hundred twenty million, four hundred thirty-four thousand, seventy".