29142690 has 32 divisors (see below), whose sum is σ = 70502400. Its totient is φ = 7709184.

The previous prime is 29142683. The next prime is 29142703. The reversal of 29142690 is 9624192.

It is a super-2 number, since 2×29142690² = 1698592760872200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15 + ... + 7634.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200).

Almost surely, 2^29142690 is an apocalyptic number.

29142690 is an abundant number, since it is smaller than the sum of its proper divisors (41359710).

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

29142690 is a wasteful number, since it uses less digits than its factorization.

29142690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 29142690 is about 5398.3969842908. The cubic root of 29142690 is about 307.7347536475.

The spelling of 29142690 in words is "twenty-nine million, one hundred forty-two thousand, six hundred ninety".