29628057 has 4 divisors (see below), whose sum is σ = 39504080. Its totient is φ = 19752036.

The previous prime is 29628043. The next prime is 29628061. The reversal of 29628057 is 75082692.

It is a happy number.

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 29628057 - 2⁴ = 29628041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29628017) 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 3 ways as a sum of consecutive naturals, for example, 4938007 + ... + 4938012.

It is an arithmetic number, because the mean of its divisors is an integer number (9876020).

Almost surely, 2^29628057 is an apocalyptic number.

It is an amenable number.

29628057 is a deficient number, since it is larger than the sum of its proper divisors (9876023).

29628057 is an equidigital number, since it uses as much as digits as its factorization.

29628057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9876022.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 29628057 is about 5443.1660823458. The cubic root of 29628057 is about 309.4337808522.

The spelling of 29628057 in words is "twenty-nine million, six hundred twenty-eight thousand, fifty-seven".