73422977 has 4 divisors (see below), whose sum is σ = 74985216. Its totient is φ = 71860740.

The previous prime is 73422971. The next prime is 73422989. The reversal of 73422977 is 77922437.

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 73422977 - 2⁴ = 73422961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73422971) 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, 781049 + ... + 781142.

It is an arithmetic number, because the mean of its divisors is an integer number (18746304).

Almost surely, 2^73422977 is an apocalyptic number.

It is an amenable number.

73422977 is a deficient number, since it is larger than the sum of its proper divisors (1562239).

73422977 is a wasteful number, since it uses less digits than its factorization.

73422977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562238.

The product of its digits is 148176, while the sum is 41.

The square root of 73422977 is about 8568.7208496951. The cubic root of 73422977 is about 418.7395639487.

The spelling of 73422977 in words is "seventy-three million, four hundred twenty-two thousand, nine hundred seventy-seven".