73434356 has 12 divisors (see below), whose sum is σ = 136069668. Its totient is φ = 34557312.

The previous prime is 73434353. The next prime is 73434367. The reversal of 73434356 is 65343437.

It can be written as a sum of positive squares in 2 ways, for example, as 38812900 + 34621456 = 6230^2 + 5884^2 .

It is a super-2 number, since 2×73434356² = 10785209282269472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73434353) 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, 539891 + ... + 540026.

It is an arithmetic number, because the mean of its divisors is an integer number (11339139).

Almost surely, 2^73434356 is an apocalyptic number.

It is an amenable number.

73434356 is a deficient number, since it is larger than the sum of its proper divisors (62635312).

73434356 is a wasteful number, since it uses less digits than its factorization.

73434356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079938 (or 1079936 counting only the distinct ones).

The product of its digits is 90720, while the sum is 35.

The square root of 73434356 is about 8569.3848087246. The cubic root of 73434356 is about 418.7611947404.

The spelling of 73434356 in words is "seventy-three million, four hundred thirty-four thousand, three hundred fifty-six".