72201077 has 16 divisors (see below), whose sum is σ = 81134592. Its totient is φ = 63797760.

The previous prime is 72201067. The next prime is 72201089. The reversal of 72201077 is 77010227.

It is not a de Polignac number, because 72201077 - 2⁴ = 72201061 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 (72201047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38168 + ... + 40014.

It is an arithmetic number, because the mean of its divisors is an integer number (5070912).

Almost surely, 2^72201077 is an apocalyptic number.

It is an amenable number.

72201077 is a deficient number, since it is larger than the sum of its proper divisors (8933515).

72201077 is a wasteful number, since it uses less digits than its factorization.

72201077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 72201077 is about 8497.1216891369. The cubic root of 72201077 is about 416.4036796635.

The spelling of 72201077 in words is "seventy-two million, two hundred one thousand, seventy-seven".