72003134 has 16 divisors (see below), whose sum is σ = 126445536. Its totient is φ = 30105600.

The previous prime is 72003121. The next prime is 72003149. The reversal of 72003134 is 43130027.

It is a congruent number.

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, 62147 + ... + 63294.

It is an arithmetic number, because the mean of its divisors is an integer number (7902846).

Almost surely, 2^72003134 is an apocalyptic number.

72003134 is a deficient number, since it is larger than the sum of its proper divisors (54442402).

72003134 is a wasteful number, since it uses less digits than its factorization.

72003134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125491.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 72003134 is about 8485.4660449500. The cubic root of 72003134 is about 416.0228006179.

The spelling of 72003134 in words is "seventy-two million, three thousand, one hundred thirty-four".