74309898 has 16 divisors (see below), whose sum is σ = 160052256. Its totient is φ = 22864560.

The previous prime is 74309897. The next prime is 74309899. The reversal of 74309898 is 89890347.

It is an interprime number because it is at equal distance from previous prime (74309897) and next prime (74309899).

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

It is not an unprimeable number, because it can be changed into a prime (74309897) 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, 476268 + ... + 476423.

It is an arithmetic number, because the mean of its divisors is an integer number (10003266).

Almost surely, 2^74309898 is an apocalyptic number.

74309898 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

74309898 is an abundant number, since it is smaller than the sum of its proper divisors (85742358).

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

74309898 is a wasteful number, since it uses less digits than its factorization.

74309898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952709.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 74309898 is about 8620.3189036137. The cubic root of 74309898 is about 420.4188904673.

The spelling of 74309898 in words is "seventy-four million, three hundred nine thousand, eight hundred ninety-eight".