73474398 has 16 divisors (see below), whose sum is σ = 163276560. Its totient is φ = 24491448.

The previous prime is 73474381. The next prime is 73474399. The reversal of 73474398 is 89347437.

It is a happy number.

It is a super-2 number, since 2×73474398² = 10796974322924808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73474399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680265 + ... + 680372.

It is an arithmetic number, because the mean of its divisors is an integer number (10204785).

Almost surely, 2^73474398 is an apocalyptic number.

73474398 is an abundant number, since it is smaller than the sum of its proper divisors (89802162).

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

73474398 is a wasteful number, since it uses less digits than its factorization.

73474398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360648 (or 1360642 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 73474398 is about 8571.7208307317. The cubic root of 73474398 is about 418.8372944021.

The spelling of 73474398 in words is "seventy-three million, four hundred seventy-four thousand, three hundred ninety-eight".