1430078730 has 16 divisors (see below), whose sum is σ = 3432189024. Its totient is φ = 381354320.

The previous prime is 1430078717. The next prime is 1430078761. The reversal of 1430078730 is 378700341.

1430078730 = 16910² + 16911² + ... + 16914².

It is a junction number, because it is equal to n+sod(n) for n = 1430078691 and 1430078700.

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, 23834616 + ... + 23834675.

It is an arithmetic number, because the mean of its divisors is an integer number (214511814).

Almost surely, 2^1430078730 is an apocalyptic number.

1430078730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430078730 is an abundant number, since it is smaller than the sum of its proper divisors (2002110294).

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

1430078730 is a wasteful number, since it uses less digits than its factorization.

1430078730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47669301.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1430078730 is about 37816.3817676943. The cubic root of 1430078730 is about 1126.6438467226.

The spelling of 1430078730 in words is "one billion, four hundred thirty million, seventy-eight thousand, seven hundred thirty".