73867072 has 14 divisors (see below), whose sum is σ = 146580098. Its totient is φ = 36933504.

The previous prime is 73867049. The next prime is 73867081. The reversal of 73867072 is 27076837.

It can be written as a sum of positive squares in only one way, i.e., 68956416 + 4910656 = 8304^2 + 2216^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577023 + ... + 577150.

It is an arithmetic number, because the mean of its divisors is an integer number (10470007).

Almost surely, 2^73867072 is an apocalyptic number.

It is an amenable number.

73867072 is a deficient number, since it is larger than the sum of its proper divisors (72713026).

73867072 is a wasteful number, since it uses less digits than its factorization.

73867072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154185 (or 1154175 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 73867072 is about 8594.5955111337. The cubic root of 73867072 is about 419.5821089105.

The spelling of 73867072 in words is "seventy-three million, eight hundred sixty-seven thousand, seventy-two".