72008434 has 8 divisors (see below), whose sum is σ = 108137088. Its totient is φ = 35962740.

The previous prime is 72008411. The next prime is 72008437. The reversal of 72008434 is 43480027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72008437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18522 + ... + 22069.

It is an arithmetic number, because the mean of its divisors is an integer number (13517136).

Almost surely, 2^72008434 is an apocalyptic number.

72008434 is a deficient number, since it is larger than the sum of its proper divisors (36128654).

72008434 is a wasteful number, since it uses less digits than its factorization.

72008434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41480.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 72008434 is about 8485.7783379016. The cubic root of 72008434 is about 416.0330078900.

The spelling of 72008434 in words is "seventy-two million, eight thousand, four hundred thirty-four".