72063677 has 4 divisors (see below), whose sum is σ = 82358496. Its totient is φ = 61768860.

The previous prime is 72063619. The next prime is 72063683. The reversal of 72063677 is 77636027.

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 a cyclic number.

It is not a de Polignac number, because 72063677 - 2⁶ = 72063613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72063677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72063077) 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, 5147399 + ... + 5147412.

It is an arithmetic number, because the mean of its divisors is an integer number (20589624).

Almost surely, 2^72063677 is an apocalyptic number.

It is an amenable number.

72063677 is a deficient number, since it is larger than the sum of its proper divisors (10294819).

72063677 is a wasteful number, since it uses less digits than its factorization.

72063677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294818.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 72063677 is about 8489.0327481993. The cubic root of 72063677 is about 416.1393706005.

The spelling of 72063677 in words is "seventy-two million, sixty-three thousand, six hundred seventy-seven".