1424072077 has 4 divisors (see below), whose sum is σ = 1424657916. Its totient is φ = 1423486240.

The previous prime is 1424072047. The next prime is 1424072123. The reversal of 1424072077 is 7702704241.

It is a happy number.

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 342583081 + 1081488996 = 18509^2 + 32886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1424072077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424072047) 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, 289258 + ... + 294139.

It is an arithmetic number, because the mean of its divisors is an integer number (356164479).

Almost surely, 2^1424072077 is an apocalyptic number.

It is an amenable number.

1424072077 is a deficient number, since it is larger than the sum of its proper divisors (585839).

1424072077 is an equidigital number, since it uses as much as digits as its factorization.

1424072077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585838.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 1424072077 is about 37736.8795344819. The cubic root of 1424072077 is about 1125.0642470634.

The spelling of 1424072077 in words is "one billion, four hundred twenty-four million, seventy-two thousand, seventy-seven".