73970075 has 6 divisors (see below), whose sum is σ = 91722924. Its totient is φ = 59176040.

The previous prime is 73970051. The next prime is 73970081. The reversal of 73970075 is 57007937.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-73970075 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1479377 + ... + 1479426.

It is an arithmetic number, because the mean of its divisors is an integer number (15287154).

Almost surely, 2^73970075 is an apocalyptic number.

73970075 is a deficient number, since it is larger than the sum of its proper divisors (17752849).

73970075 is a wasteful number, since it uses less digits than its factorization.

73970075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958813 (or 2958808 counting only the distinct ones).

The product of its (nonzero) digits is 46305, while the sum is 38.

The square root of 73970075 is about 8600.5857358671. The cubic root of 73970075 is about 419.7770453099. Note that the first 3 decimals are identical.

The spelling of 73970075 in words is "seventy-three million, nine hundred seventy thousand, seventy-five".