29071425 has 48 divisors (see below), whose sum is σ = 52853760. Its totient is φ = 14034240.

The previous prime is 29071421. The next prime is 29071481. The reversal of 29071425 is 52417092.

It is not a de Polignac number, because 29071425 - 2² = 29071421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29071392 and 29071401.

It is not an unprimeable number, because it can be changed into a prime (29071421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32332 + ... + 33218.

It is an arithmetic number, because the mean of its divisors is an integer number (1101120).

Almost surely, 2^29071425 is an apocalyptic number.

29071425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29071425 is a deficient number, since it is larger than the sum of its proper divisors (23782335).

29071425 is a wasteful number, since it uses less digits than its factorization.

29071425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 29071425 is about 5391.7923735990. The cubic root of 29071425 is about 307.4837059249.

The spelling of 29071425 in words is "twenty-nine million, seventy-one thousand, four hundred twenty-five".