72026777 has 8 divisors (see below), whose sum is σ = 79114560. Its totient is φ = 65268720.

The previous prime is 72026771. The next prime is 72026783. The reversal of 72026777 is 77762027.

It is an interprime number because it is at equal distance from previous prime (72026771) and next prime (72026783).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72026777 - 2⁴ = 72026761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72026777.

It is not an unprimeable number, because it can be changed into a prime (72026771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81974 + ... + 82847.

It is an arithmetic number, because the mean of its divisors is an integer number (9889320).

Almost surely, 2^72026777 is an apocalyptic number.

It is an amenable number.

72026777 is a deficient number, since it is larger than the sum of its proper divisors (7087783).

72026777 is a wasteful number, since it uses less digits than its factorization.

72026777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164863.

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 72026777 is about 8486.8590774208. The cubic root of 72026777 is about 416.0683308152.

The spelling of 72026777 in words is "seventy-two million, twenty-six thousand, seven hundred seventy-seven".