73890070 has 16 divisors (see below), whose sum is σ = 133524288. Its totient is φ = 29440000.

The previous prime is 73890049. The next prime is 73890071. The reversal of 73890070 is 7009837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73890071) 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, 11806 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (8345268).

Almost surely, 2^73890070 is an apocalyptic number.

73890070 is a deficient number, since it is larger than the sum of its proper divisors (59634218).

73890070 is a wasteful number, since it uses less digits than its factorization.

73890070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29015.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 73890070 is about 8595.9333408304. The cubic root of 73890070 is about 419.6256490510.

The spelling of 73890070 in words is "seventy-three million, eight hundred ninety thousand, seventy".