29497972 has 24 divisors (see below), whose sum is σ = 59524416. Its totient is φ = 12528768.

The previous prime is 29497967. The next prime is 29497973. The reversal of 29497972 is 27979492.

It is a happy number.

It is a super-2 number, since 2×29497972² = 1740260704225568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29497973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (2480184).

Almost surely, 2^29497972 is an apocalyptic number.

It is an amenable number.

29497972 is an abundant number, since it is smaller than the sum of its proper divisors (30026444).

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

29497972 is a wasteful number, since it uses less digits than its factorization.

29497972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447 (or 9445 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 29497972 is about 5431.2035498589. The cubic root of 29497972 is about 308.9802496078.

The spelling of 29497972 in words is "twenty-nine million, four hundred ninety-seven thousand, nine hundred seventy-two".