73042398 has 96 divisors (see below), whose sum is σ = 192995712. Its totient is φ = 20412000.

The previous prime is 73042379. The next prime is 73042429. The reversal of 73042398 is 89324037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68973 + ... + 70023.

It is an arithmetic number, because the mean of its divisors is an integer number (2010372).

Almost surely, 2^73042398 is an apocalyptic number.

73042398 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73042398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96497856).

73042398 is an abundant number, since it is smaller than the sum of its proper divisors (119953314).

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

73042398 is a wasteful number, since it uses less digits than its factorization.

73042398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 73042398 is about 8546.4845404412. The cubic root of 73042398 is about 418.0148152224.

The spelling of 73042398 in words is "seventy-three million, forty-two thousand, three hundred ninety-eight".