1429975073 has 4 divisors (see below), whose sum is σ = 1434855828. Its totient is φ = 1425094320.

The previous prime is 1429975049. The next prime is 1429975091. The reversal of 1429975073 is 3705799241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 630612544 + 799362529 = 25112^2 + 28273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1429975073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1429975013) 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, 2439938 + ... + 2440523.

It is an arithmetic number, because the mean of its divisors is an integer number (358713957).

Almost surely, 2^1429975073 is an apocalyptic number.

It is an amenable number.

1429975073 is a deficient number, since it is larger than the sum of its proper divisors (4880755).

1429975073 is an equidigital number, since it uses as much as digits as its factorization.

1429975073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880754.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 1429975073 is about 37815.0112124802. The cubic root of 1429975073 is about 1126.6166250644.

The spelling of 1429975073 in words is "one billion, four hundred twenty-nine million, nine hundred seventy-five thousand, seventy-three".