72268677 has 12 divisors (see below), whose sum is σ = 112418124. Its totient is φ = 44472960.

The previous prime is 72268661. The next prime is 72268697. The reversal of 72268677 is 77686227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 27029601 = 6726^2 + 5199^2 .

It is not a de Polignac number, because 72268677 - 2⁴ = 72268661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72268607) 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, 308724 + ... + 308957.

It is an arithmetic number, because the mean of its divisors is an integer number (9368177).

Almost surely, 2^72268677 is an apocalyptic number.

It is an amenable number.

72268677 is a deficient number, since it is larger than the sum of its proper divisors (40149447).

72268677 is a wasteful number, since it uses less digits than its factorization.

72268677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617700 (or 617697 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 72268677 is about 8501.0985760665. The cubic root of 72268677 is about 416.5335951230.

The spelling of 72268677 in words is "seventy-two million, two hundred sixty-eight thousand, six hundred seventy-seven".