94721418 has 24 divisors (see below), whose sum is σ = 223887456. Its totient is φ = 28703400.

The previous prime is 94721387. The next prime is 94721423. The reversal of 94721418 is 81412749.

It is an alternating number because its digits alternate between odd and even.

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 11 ways as a sum of consecutive naturals, for example, 238998 + ... + 239393.

It is an arithmetic number, because the mean of its divisors is an integer number (9328644).

Almost surely, 2^94721418 is an apocalyptic number.

94721418 is an abundant number, since it is smaller than the sum of its proper divisors (129166038).

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

94721418 is a wasteful number, since it uses less digits than its factorization.

94721418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478410 (or 478407 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 94721418 is about 9732.4928975058. The cubic root of 94721418 is about 455.8438119291.

The spelling of 94721418 in words is "ninety-four million, seven hundred twenty-one thousand, four hundred eighteen".