72761701 has 4 divisors (see below), whose sum is σ = 73638432. Its totient is φ = 71884972.

The previous prime is 72761699. The next prime is 72761707. The reversal of 72761701 is 10716727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72761701 - 2¹ = 72761699 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 (72761707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438241 + ... + 438406.

It is an arithmetic number, because the mean of its divisors is an integer number (18409608).

Almost surely, 2^72761701 is an apocalyptic number.

It is an amenable number.

72761701 is a deficient number, since it is larger than the sum of its proper divisors (876731).

72761701 is an equidigital number, since it uses as much as digits as its factorization.

72761701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876730.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 72761701 is about 8530.0469518051. The cubic root of 72761701 is about 417.4786602692.

The spelling of 72761701 in words is "seventy-two million, seven hundred sixty-one thousand, seven hundred one".