1470034721 has 4 divisors (see below), whose sum is σ = 1470129732. Its totient is φ = 1469939712.

The previous prime is 1470034661. The next prime is 1470034763. The reversal of 1470034721 is 1274300741.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1274300741 = 7 ⋅182042963.

It can be written as a sum of positive squares in 2 ways, for example, as 1305810496 + 164224225 = 36136^2 + 12815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1470034721 is a prime.

It is a super-2 number, since 2×1470034721² = 4322004161891095682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1470034781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18320 + ... + 57233.

It is an arithmetic number, because the mean of its divisors is an integer number (367532433).

Almost surely, 2^1470034721 is an apocalyptic number.

It is an amenable number.

1470034721 is a deficient number, since it is larger than the sum of its proper divisors (95011).

1470034721 is an equidigital number, since it uses as much as digits as its factorization.

1470034721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95010.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1470034721 is about 38341.0318197098. The cubic root of 1470034721 is about 1137.0403171939.

The spelling of 1470034721 in words is "one billion, four hundred seventy million, thirty-four thousand, seven hundred twenty-one".