29385725 has 12 divisors (see below), whose sum is σ = 37328340. Its totient is φ = 22934400.

The previous prime is 29385721. The next prime is 29385739. The reversal of 29385725 is 52758392.

It can be written as a sum of positive squares in 6 ways, for example, as 1907161 + 27478564 = 1381^2 + 5242^2 .

It is not a de Polignac number, because 29385725 - 2² = 29385721 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29385721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13310 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (3110695).

Almost surely, 2^29385725 is an apocalyptic number.

29385725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29385725 is a deficient number, since it is larger than the sum of its proper divisors (7942615).

29385725 is a wasteful number, since it uses less digits than its factorization.

29385725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28720 (or 28715 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 29385725 is about 5420.8601715964. The cubic root of 29385725 is about 308.5878362964.

The spelling of 29385725 in words is "twenty-nine million, three hundred eighty-five thousand, seven hundred twenty-five".