7272077 has 4 divisors (see below), whose sum is σ = 7409340. Its totient is φ = 7134816.

The previous prime is 7272061. The next prime is 7272119. The reversal of 7272077 is 7702727.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4351396 + 2920681 = 2086^2 + 1709^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272077 - 2⁴ = 7272061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68552 + ... + 68657.

It is an arithmetic number, because the mean of its divisors is an integer number (1852335).

Almost surely, 2^7272077 is an apocalyptic number.

It is an amenable number.

7272077 is a deficient number, since it is larger than the sum of its proper divisors (137263).

7272077 is a wasteful number, since it uses less digits than its factorization.

7272077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137262.

The product of its (nonzero) digits is 9604, while the sum is 32.

The square root of 7272077 is about 2696.6788833675. The cubic root of 7272077 is about 193.7400866242.

The spelling of 7272077 in words is "seven million, two hundred seventy-two thousand, seventy-seven".