72701266 has 16 divisors (see below), whose sum is σ = 121212288. Its totient is φ = 32422000.

The previous prime is 72701249. The next prime is 72701269. The reversal of 72701266 is 66210727.

It is not an unprimeable number, because it can be changed into a prime (72701269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30010 + ... + 32341.

It is an arithmetic number, because the mean of its divisors is an integer number (7575768).

Almost surely, 2^72701266 is an apocalyptic number.

72701266 is a deficient number, since it is larger than the sum of its proper divisors (48511022).

72701266 is a wasteful number, since it uses less digits than its factorization.

72701266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62417.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 72701266 is about 8526.5037383443. The cubic root of 72701266 is about 417.3630439901.

The spelling of 72701266 in words is "seventy-two million, seven hundred one thousand, two hundred sixty-six".