72020702 has 12 divisors (see below), whose sum is σ = 116980920. Its totient is φ = 33240168.

The previous prime is 72020701. The next prime is 72020713. The reversal of 72020702 is 20702027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72020701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106202 + ... + 106877.

It is an arithmetic number, because the mean of its divisors is an integer number (9748410).

Almost surely, 2^72020702 is an apocalyptic number.

72020702 is a deficient number, since it is larger than the sum of its proper divisors (44960218).

72020702 is a wasteful number, since it uses less digits than its factorization.

72020702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213107 (or 213094 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 72020702 is about 8486.5011636127. The cubic root of 72020702 is about 416.0566329148.

Adding to 72020702 its reverse (20702027), we get a palindrome (92722729).

The spelling of 72020702 in words is "seventy-two million, twenty thousand, seven hundred two".