73457428938 has 8 divisors (see below), whose sum is σ = 146914857888. Its totient is φ = 24485809644.

The previous prime is 73457428931. The next prime is 73457428963. The reversal of 73457428938 is 83982475437.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

73457428938 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73457428931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6121452406 + ... + 6121452417.

It is an arithmetic number, because the mean of its divisors is an integer number (18364357236).

Almost surely, 2^73457428938 is an apocalyptic number.

73457428938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73457428938 is a wasteful number, since it uses less digits than its factorization.

73457428938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242904828.

The product of its digits is 40642560, while the sum is 60.

The spelling of 73457428938 in words is "seventy-three billion, four hundred fifty-seven million, four hundred twenty-eight thousand, nine hundred thirty-eight".