29672740069 has 4 divisors (see below), whose sum is σ = 33911702944. Its totient is φ = 25433777196.

The previous prime is 29672740067. The next prime is 29672740079. The reversal of 29672740069 is 96004727692.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 29672740069 - 2¹ = 29672740067 is a prime.

It is a super-2 number, since 2×29672740069² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29672739998 and 29672740025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29672740067) 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, 2119481427 + ... + 2119481440.

It is an arithmetic number, because the mean of its divisors is an integer number (8477925736).

Almost surely, 2^29672740069 is an apocalyptic number.

It is an amenable number.

29672740069 is a deficient number, since it is larger than the sum of its proper divisors (4238962875).

29672740069 is an equidigital number, since it uses as much as digits as its factorization.

29672740069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238962874.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 29672740069 in words is "twenty-nine billion, six hundred seventy-two million, seven hundred forty thousand, sixty-nine".