29515242 has 16 divisors (see below), whose sum is σ = 59912352. Its totient is φ = 9691440.

The previous prime is 29515237. The next prime is 29515253. The reversal of 29515242 is 24251592.

It is a super-2 number, since 2×29515242² = 1742299020637128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36309 + ... + 37112.

It is an arithmetic number, because the mean of its divisors is an integer number (3744522).

Almost surely, 2^29515242 is an apocalyptic number.

29515242 is an abundant number, since it is smaller than the sum of its proper divisors (30397110).

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

29515242 is a wasteful number, since it uses less digits than its factorization.

29515242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73493.

The product of its digits is 7200, while the sum is 30.

The square root of 29515242 is about 5432.7932042367. The cubic root of 29515242 is about 309.0405367793.

The spelling of 29515242 in words is "twenty-nine million, five hundred fifteen thousand, two hundred forty-two".