29769147 has 16 divisors (see below), whose sum is σ = 44248960. Its totient is φ = 19780200.

The previous prime is 29769133. The next prime is 29769151. The reversal of 29769147 is 74196792.

It is not a de Polignac number, because 29769147 - 2⁸ = 29768891 is a prime.

It is a super-2 number, since 2×29769147² = 1772404226215218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29769247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7272 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (2765560).

Almost surely, 2^29769147 is an apocalyptic number.

29769147 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

29769147 is a deficient number, since it is larger than the sum of its proper divisors (14479813).

29769147 is a wasteful number, since it uses less digits than its factorization.

29769147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671 (or 3665 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 29769147 is about 5456.1109776103. The cubic root of 29769147 is about 309.9241819440.

The spelling of 29769147 in words is "twenty-nine million, seven hundred sixty-nine thousand, one hundred forty-seven".