73380146 has 12 divisors (see below), whose sum is σ = 128041038. Its totient is φ = 31448592.

The previous prime is 73380127. The next prime is 73380161. The reversal of 73380146 is 64108337.

It can be written as a sum of positive squares in only one way, i.e., 67881121 + 5499025 = 8239^2 + 2345^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374291 + ... + 374486.

Almost surely, 2^73380146 is an apocalyptic number.

73380146 is a deficient number, since it is larger than the sum of its proper divisors (54660892).

73380146 is a wasteful number, since it uses less digits than its factorization.

73380146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748793 (or 748786 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 73380146 is about 8566.2212205850. The cubic root of 73380146 is about 418.6581247609.

The spelling of 73380146 in words is "seventy-three million, three hundred eighty thousand, one hundred forty-six".