73520870 has 16 divisors (see below), whose sum is σ = 132935040. Its totient is φ = 29275584.

The previous prime is 73520833. The next prime is 73520873. The reversal of 73520870 is 7802537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73520873) 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, 14255 + ... + 18714.

It is an arithmetic number, because the mean of its divisors is an integer number (8308440).

Almost surely, 2^73520870 is an apocalyptic number.

73520870 is a deficient number, since it is larger than the sum of its proper divisors (59414170).

73520870 is a wasteful number, since it uses less digits than its factorization.

73520870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33199.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 73520870 is about 8574.4311764688. The cubic root of 73520870 is about 418.9255795965.

The spelling of 73520870 in words is "seventy-three million, five hundred twenty thousand, eight hundred seventy".