29706231420 has 72 divisors (see below), whose sum is σ = 90159647760. Its totient is φ = 7917200640.

The previous prime is 29706231407. The next prime is 29706231427. The reversal of 29706231420 is 2413260792.

29706231420 is a `hidden beast` number, since 2 + 9 + 7 + 0 + 623 + 1 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29706231427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280416 + ... + 371544.

It is an arithmetic number, because the mean of its divisors is an integer number (1252217330).

Almost surely, 2^29706231420 is an apocalyptic number.

29706231420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29706231420 is an abundant number, since it is smaller than the sum of its proper divisors (60453416340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29706231420 is a wasteful number, since it uses less digits than its factorization.

29706231420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92955 (or 92950 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 29706231420 in words is "twenty-nine billion, seven hundred six million, two hundred thirty-one thousand, four hundred twenty".