83429730 has 32 divisors (see below), whose sum is σ = 222480000. Its totient is φ = 22247856.

The previous prime is 83429707. The next prime is 83429771. The reversal of 83429730 is 3792438.

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, 154230 + ... + 154769.

It is an arithmetic number, because the mean of its divisors is an integer number (6952500).

Almost surely, 2^83429730 is an apocalyptic number.

83429730 is an abundant number, since it is smaller than the sum of its proper divisors (139050270).

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

83429730 is a wasteful number, since it uses less digits than its factorization.

83429730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309015 (or 309009 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 83429730 is about 9133.9876286319. The cubic root of 83429730 is about 436.9585879589.

The spelling of 83429730 in words is "eighty-three million, four hundred twenty-nine thousand, seven hundred thirty".