73734130 has 16 divisors (see below), whose sum is σ = 135226584. Its totient is φ = 28936960.

The previous prime is 73734091. The next prime is 73734131. The reversal of 73734130 is 3143737.

It can be written as a sum of positive squares in 4 ways, for example, as 61921161 + 11812969 = 7869^2 + 3437^2 .

It is not an unprimeable number, because it can be changed into a prime (73734131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69031 + ... + 70090.

Almost surely, 2^73734130 is an apocalyptic number.

73734130 is a deficient number, since it is larger than the sum of its proper divisors (61492454).

73734130 is a wasteful number, since it uses less digits than its factorization.

73734130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139181.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 73734130 is about 8586.8579818232. The cubic root of 73734130 is about 419.3302439498.

Adding to 73734130 its reverse (3143737), we get a palindrome (76877867).

The spelling of 73734130 in words is "seventy-three million, seven hundred thirty-four thousand, one hundred thirty".