1429972757 has 4 divisors (see below), whose sum is σ = 1438745760. Its totient is φ = 1421199756.

The previous prime is 1429972741. The next prime is 1429972763. The reversal of 1429972757 is 7572799241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7572799241 = 7 ⋅1081828463.

It is a cyclic number.

It is not a de Polignac number, because 1429972757 - 2⁴ = 1429972741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1429972699 and 1429972708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429972727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4386257 + ... + 4386582.

It is an arithmetic number, because the mean of its divisors is an integer number (359686440).

Almost surely, 2^1429972757 is an apocalyptic number.

It is an amenable number.

1429972757 is a deficient number, since it is larger than the sum of its proper divisors (8773003).

1429972757 is an equidigital number, since it uses as much as digits as its factorization.

1429972757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773002.

The product of its digits is 2222640, while the sum is 53.

The square root of 1429972757 is about 37814.9805897081. The cubic root of 1429972757 is about 1126.6160168381.

The spelling of 1429972757 in words is "one billion, four hundred twenty-nine million, nine hundred seventy-two thousand, seven hundred fifty-seven".