73742530 has 16 divisors (see below), whose sum is σ = 135561600. Its totient is φ = 28869232.

The previous prime is 73742527. The next prime is 73742561. The reversal of 73742530 is 3524737.

It is a junction number, because it is equal to n+sod(n) for n = 73742492 and 73742501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77980 + ... + 78919.

It is an arithmetic number, because the mean of its divisors is an integer number (8472600).

Almost surely, 2^73742530 is an apocalyptic number.

73742530 is a deficient number, since it is larger than the sum of its proper divisors (61819070).

73742530 is a wasteful number, since it uses less digits than its factorization.

73742530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156953.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 73742530 is about 8587.3470874304. The cubic root of 73742530 is about 419.3461671064.

The spelling of 73742530 in words is "seventy-three million, seven hundred forty-two thousand, five hundred thirty".