29772420907 has 4 divisors (see below), whose sum is σ = 29955073960. Its totient is φ = 29589767856.

The previous prime is 29772420901. The next prime is 29772420913. The reversal of 29772420907 is 70902427792.

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

It is an interprime number because it is at equal distance from previous prime (29772420901) and next prime (29772420913).

It is a cyclic number.

It is not a de Polignac number, because 29772420907 - 2⁷ = 29772420779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29772420901) 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, 91326282 + ... + 91326607.

It is an arithmetic number, because the mean of its divisors is an integer number (7488768490).

Almost surely, 2^29772420907 is an apocalyptic number.

29772420907 is a deficient number, since it is larger than the sum of its proper divisors (182653053).

29772420907 is a wasteful number, since it uses less digits than its factorization.

29772420907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182653052.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 29772420907 in words is "twenty-nine billion, seven hundred seventy-two million, four hundred twenty thousand, nine hundred seven".