29490625 has 12 divisors (see below), whose sum is σ = 36864828. Its totient is φ = 23590000.

The previous prime is 29490611. The next prime is 29490649. The reversal of 29490625 is 52609492.

It can be written as a sum of positive squares in 6 ways, for example, as 23541904 + 5948721 = 4852^2 + 2439^2 .

It is not a de Polignac number, because 29490625 - 2⁷ = 29490497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (3072069).

Almost surely, 2^29490625 is an apocalyptic number.

29490625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29490625 is a deficient number, since it is larger than the sum of its proper divisors (7374203).

29490625 is an frugal number, since it uses more digits than its factorization.

29490625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9462 (or 9442 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 29490625 is about 5430.5271383172. The cubic root of 29490625 is about 308.9545951166.

The spelling of 29490625 in words is "twenty-nine million, four hundred ninety thousand, six hundred twenty-five".