72071802 has 32 divisors (see below), whose sum is σ = 174720960. Its totient is φ = 21839760.

The previous prime is 72071767. The next prime is 72071837. The reversal of 72071802 is 20817027.

It is an interprime number because it is at equal distance from previous prime (72071767) and next prime (72071837).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60073 + ... + 61260.

It is an arithmetic number, because the mean of its divisors is an integer number (5460030).

Almost surely, 2^72071802 is an apocalyptic number.

72071802 is an abundant number, since it is smaller than the sum of its proper divisors (102649158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72071802 is a wasteful number, since it uses less digits than its factorization.

72071802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121355 (or 121349 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 72071802 is about 8489.5112933549. The cubic root of 72071802 is about 416.1550095718.

Adding to 72071802 its reverse (20817027), we get a palindrome (92888829).

It can be divided in two parts, 7207 and 1802, that added together give a palindrome (9009).

The spelling of 72071802 in words is "seventy-two million, seventy-one thousand, eight hundred two".