1420562730 has 16 divisors (see below), whose sum is σ = 3409350624. Its totient is φ = 378816720.

The previous prime is 1420562723. The next prime is 1420562747. The reversal of 1420562730 is 372650241.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 47352091 = 1420562730 / (1 + 4 + 2 + 0 + 5 + 6 + 2 + 7 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23676016 + ... + 23676075.

It is an arithmetic number, because the mean of its divisors is an integer number (213084414).

Almost surely, 2^1420562730 is an apocalyptic number.

1420562730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420562730 is an abundant number, since it is smaller than the sum of its proper divisors (1988787894).

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

1420562730 is a wasteful number, since it uses less digits than its factorization.

1420562730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47352101.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1420562730 is about 37690.3532750756. The cubic root of 1420562730 is about 1124.1393199772.

The spelling of 1420562730 in words is "one billion, four hundred twenty million, five hundred sixty-two thousand, seven hundred thirty".