29972526 has 8 divisors (see below), whose sum is σ = 59945064. Its totient is φ = 9990840.

The previous prime is 29972497. The next prime is 29972539. The reversal of 29972526 is 62527992.

It is a sphenic number, since it is the product of 3 distinct primes.

29972526 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2497705 + ... + 2497716.

It is an arithmetic number, because the mean of its divisors is an integer number (7493133).

Almost surely, 2^29972526 is an apocalyptic number.

29972526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29972526 is a wasteful number, since it uses less digits than its factorization.

29972526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995426.

The product of its digits is 136080, while the sum is 42.

The square root of 29972526 is about 5474.7169789862. The cubic root of 29972526 is about 310.6283681741.

The spelling of 29972526 in words is "twenty-nine million, nine hundred seventy-two thousand, five hundred twenty-six".