73740070 has 16 divisors (see below), whose sum is σ = 138503520. Its totient is φ = 28213504.

The previous prime is 73740053. The next prime is 73740077. The reversal of 73740070 is 7004737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73740077) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 160075 + ... + 160534.

It is an arithmetic number, because the mean of its divisors is an integer number (8656470).

Almost surely, 2^73740070 is an apocalyptic number.

73740070 is a deficient number, since it is larger than the sum of its proper divisors (64763450).

73740070 is a wasteful number, since it uses less digits than its factorization.

73740070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320639.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 73740070 is about 8587.2038522443. The cubic root of 73740070 is about 419.3415040215.

The spelling of 73740070 in words is "seventy-three million, seven hundred forty thousand, seventy".