1429790731 has 4 divisors (see below), whose sum is σ = 1429888264. Its totient is φ = 1429693200.

The previous prime is 1429790701. The next prime is 1429790749. The reversal of 1429790731 is 1370979241.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1429790731 - 2¹⁵ = 1429757963 is a prime.

It is a super-2 number, since 2×1429790731² = 4088603068907028722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429790701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21810 + ... + 57751.

It is an arithmetic number, because the mean of its divisors is an integer number (357472066).

Almost surely, 2^1429790731 is an apocalyptic number.

1429790731 is a deficient number, since it is larger than the sum of its proper divisors (97533).

1429790731 is an equidigital number, since it uses as much as digits as its factorization.

1429790731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97532.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 1429790731 is about 37812.5737156306. The cubic root of 1429790731 is about 1126.5682112399.

The spelling of 1429790731 in words is "one billion, four hundred twenty-nine million, seven hundred ninety thousand, seven hundred thirty-one".