29247372 has 96 divisors (see below), whose sum is σ = 94563840. Its totient is φ = 7594560.

The previous prime is 29247367. The next prime is 29247389. The reversal of 29247372 is 27374292.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6558 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (985040).

Almost surely, 2^29247372 is an apocalyptic number.

29247372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29247372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47281920).

29247372 is an abundant number, since it is smaller than the sum of its proper divisors (65316468).

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

29247372 is a wasteful number, since it uses less digits than its factorization.

29247372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3540 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 29247372 is about 5408.0839490526. The cubic root of 29247372 is about 308.1027795515.

Subtracting from 29247372 its reverse (27374292), we obtain a triangular number (1873080 = T₁₉₃₅).

It can be divided in two parts, 2924 and 7372, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 29247372 in words is "twenty-nine million, two hundred forty-seven thousand, three hundred seventy-two".