342007505 has 24 divisors (see below), whose sum is σ = 502548480. Its totient is φ = 222173280.

The previous prime is 342007489. The next prime is 342007529. The reversal of 342007505 is 505700243.

It is not a de Polignac number, because 342007505 - 2⁴ = 342007489 is a prime.

It is a Curzon number.

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, 32081 + ... + 41390.

It is an arithmetic number, because the mean of its divisors is an integer number (20939520).

Almost surely, 2^342007505 is an apocalyptic number.

342007505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

342007505 is a deficient number, since it is larger than the sum of its proper divisors (160540975).

342007505 is a wasteful number, since it uses less digits than its factorization.

342007505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73509 (or 73502 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 342007505 is about 18493.4449197547. Note that the first 3 decimals coincide. The cubic root of 342007505 is about 699.3241810701.

Adding to 342007505 its reverse (505700243), we get a palindrome (847707748).

The spelling of 342007505 in words is "three hundred forty-two million, seven thousand, five hundred five".