73869870 has 16 divisors (see below), whose sum is σ = 177287760. Its totient is φ = 19698624.

The previous prime is 73869857. The next prime is 73869877. The reversal of 73869870 is 7896837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73869877) 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, 1231135 + ... + 1231194.

It is an arithmetic number, because the mean of its divisors is an integer number (11080485).

Almost surely, 2^73869870 is an apocalyptic number.

73869870 is an abundant number, since it is smaller than the sum of its proper divisors (103417890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73869870 is a wasteful number, since it uses less digits than its factorization.

73869870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462339.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 73869870 is about 8594.7582863045. The cubic root of 73869870 is about 419.5874066067.

The spelling of 73869870 in words is "seventy-three million, eight hundred sixty-nine thousand, eight hundred seventy".