72003790 has 32 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 27628800.

The previous prime is 72003773. The next prime is 72003797. The reversal of 72003790 is 9730027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72003797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23571 + ... + 26449.

It is an arithmetic number, because the mean of its divisors is an integer number (4218480).

Almost surely, 2^72003790 is an apocalyptic number.

72003790 is a deficient number, since it is larger than the sum of its proper divisors (62987570).

72003790 is a wasteful number, since it uses less digits than its factorization.

72003790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 72003790 is about 8485.5046991914. The cubic root of 72003790 is about 416.0240640357.

The spelling of 72003790 in words is "seventy-two million, three thousand, seven hundred ninety".