73431342 has 12 divisors (see below), whose sum is σ = 159101280. Its totient is φ = 24477108.

The previous prime is 73431329. The next prime is 73431359. The reversal of 73431342 is 24313437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2039742 + ... + 2039777.

It is an arithmetic number, because the mean of its divisors is an integer number (13258440).

Almost surely, 2^73431342 is an apocalyptic number.

73431342 is an abundant number, since it is smaller than the sum of its proper divisors (85669938).

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

73431342 is a wasteful number, since it uses less digits than its factorization.

73431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079527 (or 4079524 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 73431342 is about 8569.2089483219. The cubic root of 73431342 is about 418.7554655260.

Adding to 73431342 its reverse (24313437), we get a palindrome (97744779).

The spelling of 73431342 in words is "seventy-three million, four hundred thirty-one thousand, three hundred forty-two".