72703799 has 12 divisors (see below), whose sum is σ = 84765384. Its totient is φ = 62176464.

The previous prime is 72703793. The next prime is 72703837. The reversal of 72703799 is 99730727.

It is a de Polignac number, because none of the positive numbers 2^k-72703799 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72703793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24209 + ... + 27045.

It is an arithmetic number, because the mean of its divisors is an integer number (7063782).

Almost surely, 2^72703799 is an apocalyptic number.

72703799 is a deficient number, since it is larger than the sum of its proper divisors (12061585).

72703799 is a wasteful number, since it uses less digits than its factorization.

72703799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 72703799 is about 8526.6522738998. The cubic root of 72703799 is about 417.3678910781.

The spelling of 72703799 in words is "seventy-two million, seven hundred three thousand, seven hundred ninety-nine".