73023977 has 8 divisors (see below), whose sum is σ = 80767176. Its totient is φ = 65584512.

The previous prime is 73023961. The next prime is 73023989. The reversal of 73023977 is 77932037.

It can be written as a sum of positive squares in 4 ways, for example, as 13980121 + 59043856 = 3739^2 + 7684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73023977 - 2⁴ = 73023961 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 73023977.

It is not an unprimeable number, because it can be changed into a prime (73023917) 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, 75428 + ... + 76389.

It is an arithmetic number, because the mean of its divisors is an integer number (10095897).

Almost surely, 2^73023977 is an apocalyptic number.

It is an amenable number.

73023977 is a deficient number, since it is larger than the sum of its proper divisors (7743199).

73023977 is a wasteful number, since it uses less digits than its factorization.

73023977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151867.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 73023977 is about 8545.4067779129. The cubic root of 73023977 is about 417.9796717143.

The spelling of 73023977 in words is "seventy-three million, twenty-three thousand, nine hundred seventy-seven".