29520090 has 48 divisors (see below), whose sum is σ = 77127336. Its totient is φ = 7833600.

The previous prime is 29520067. The next prime is 29520103. The reversal of 29520090 is 9002592.

It can be written as a sum of positive squares in 4 ways, for example, as 22439169 + 7080921 = 4737^2 + 2661^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21010 + ... + 22370.

Almost surely, 2^29520090 is an apocalyptic number.

29520090 is an abundant number, since it is smaller than the sum of its proper divisors (47607246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29520090 is a wasteful number, since it uses less digits than its factorization.

29520090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 29520090 is about 5433.2393652406. The cubic root of 29520090 is about 309.0574562464.

The spelling of 29520090 in words is "twenty-nine million, five hundred twenty thousand, ninety".