73216774 has 12 divisors (see below), whose sum is σ = 114809436. Its totient is φ = 35016212.

The previous prime is 73216771. The next prime is 73216777. The reversal of 73216774 is 47761237.

73216774 = T₆₉₈₅ + T₆₉₈₆ + T₆₉₈₇.

It is an interprime number because it is at equal distance from previous prime (73216771) and next prime (73216777).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73216771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33544 + ... + 35659.

It is an arithmetic number, because the mean of its divisors is an integer number (9567453).

Almost surely, 2^73216774 is an apocalyptic number.

73216774 is the 6987-th centered triangular number.

73216774 is a deficient number, since it is larger than the sum of its proper divisors (41592662).

73216774 is a wasteful number, since it uses less digits than its factorization.

73216774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69251 (or 69228 counting only the distinct ones).

The product of its digits is 49392, while the sum is 37.

The square root of 73216774 is about 8556.6800804985. The cubic root of 73216774 is about 418.3471967103.

The spelling of 73216774 in words is "seventy-three million, two hundred sixteen thousand, seven hundred seventy-four".