29720462970 has 64 divisors (see below), whose sum is σ = 78909603840. Its totient is φ = 7103476800.

The previous prime is 29720462957. The next prime is 29720462971. The reversal of 29720462970 is 7926402792.

It is a super-2 number, since 2×29720462970² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29720462971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610810 + ... + 657669.

It is an arithmetic number, because the mean of its divisors is an integer number (1232962560).

Almost surely, 2^29720462970 is an apocalyptic number.

29720462970 is an abundant number, since it is smaller than the sum of its proper divisors (49189140870).

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

29720462970 is a wasteful number, since it uses less digits than its factorization.

29720462970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268571.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 29720462970 in words is "twenty-nine billion, seven hundred twenty million, four hundred sixty-two thousand, nine hundred seventy".