29864973 has 4 divisors (see below), whose sum is σ = 39819968. Its totient is φ = 19909980.

The previous prime is 29864927. The next prime is 29864981. The reversal of 29864973 is 37946892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29864973 - 2⁸ = 29864717 is a prime.

It is a super-2 number, since 2×29864973² = 1783833224581458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29864773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4977493 + ... + 4977498.

It is an arithmetic number, because the mean of its divisors is an integer number (9954992).

Almost surely, 2^29864973 is an apocalyptic number.

It is an amenable number.

29864973 is a deficient number, since it is larger than the sum of its proper divisors (9954995).

29864973 is an equidigital number, since it uses as much as digits as its factorization.

29864973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954994.

The product of its digits is 653184, while the sum is 48.

The square root of 29864973 is about 5464.8854516815. The cubic root of 29864973 is about 310.2563713414.

The spelling of 29864973 in words is "twenty-nine million, eight hundred sixty-four thousand, nine hundred seventy-three".