1424789730 has 256 divisors, whose sum is σ = 4730019840. Its totient is φ = 297167616.

The previous prime is 1424789713. The next prime is 1424789777. The reversal of 1424789730 is 379874241.

1424789730 is a `hidden beast` number, since 142 + 478 + 9 + 7 + 30 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2530429 + ... + 2530991.

It is an arithmetic number, because the mean of its divisors is an integer number (18476640).

Almost surely, 2^1424789730 is an apocalyptic number.

1424789730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424789730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365009920).

1424789730 is an abundant number, since it is smaller than the sum of its proper divisors (3305230110).

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

1424789730 is a wasteful number, since it uses less digits than its factorization.

1424789730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1424789730 is about 37746.3869794183. The cubic root of 1424789730 is about 1125.2532052287.

The spelling of 1424789730 in words is "one billion, four hundred twenty-four million, seven hundred eighty-nine thousand, seven hundred thirty".