72977206 has 16 divisors (see below), whose sum is σ = 114688224. Its totient is φ = 34760704.

The previous prime is 72977197. The next prime is 72977207. The reversal of 72977206 is 60277927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72977207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8736 + ... + 14908.

It is an arithmetic number, because the mean of its divisors is an integer number (7168014).

Almost surely, 2^72977206 is an apocalyptic number.

72977206 is a deficient number, since it is larger than the sum of its proper divisors (41711018).

72977206 is a wasteful number, since it uses less digits than its factorization.

72977206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 72977206 is about 8542.6697232188. The cubic root of 72977206 is about 417.8904156314.

The spelling of 72977206 in words is "seventy-two million, nine hundred seventy-seven thousand, two hundred six".