29451472 has 20 divisors (see below), whose sum is σ = 59030820. Its totient is φ = 14217728.

The previous prime is 29451421. The next prime is 29451491. The reversal of 29451472 is 27415492.

It can be written as a sum of positive squares in 2 ways, for example, as 10995856 + 18455616 = 3316^2 + 4296^2 .

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, 31273 + ... + 32200.

It is an arithmetic number, because the mean of its divisors is an integer number (2951541).

Almost surely, 2^29451472 is an apocalyptic number.

It is an amenable number.

29451472 is an abundant number, since it is smaller than the sum of its proper divisors (29579348).

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

29451472 is a wasteful number, since it uses less digits than its factorization.

29451472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63510 (or 63504 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 29451472 is about 5426.9210423591. The cubic root of 29451472 is about 308.8178075049.

It can be divided in two parts, 2945 and 1472, that multiplied together give a triangular number (4335040 = T₂₉₄₄).

The spelling of 29451472 in words is "twenty-nine million, four hundred fifty-one thousand, four hundred seventy-two".