73042070 has 32 divisors (see below), whose sum is σ = 136302048. Its totient is φ = 28159488.

The previous prime is 73042051. The next prime is 73042087. The reversal of 73042070 is 7024037.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 40937 + ... + 42683.

It is an arithmetic number, because the mean of its divisors is an integer number (4259439).

Almost surely, 2^73042070 is an apocalyptic number.

73042070 is a deficient number, since it is larger than the sum of its proper divisors (63259978).

73042070 is a wasteful number, since it uses less digits than its factorization.

73042070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 73042070 is about 8546.4653512432. The cubic root of 73042070 is about 418.0141895170.

The spelling of 73042070 in words is "seventy-three million, forty-two thousand, seventy".