73428456850 has 24 divisors (see below), whose sum is σ = 156087920448. Its totient is φ = 25175470800.

The previous prime is 73428456841. The next prime is 73428456853. The reversal of 73428456850 is 5865482437.

It is not an unprimeable number, because it can be changed into a prime (73428456853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104897446 + ... + 104898145.

It is an arithmetic number, because the mean of its divisors is an integer number (6503663352).

Almost surely, 2^73428456850 is an apocalyptic number.

73428456850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73428456850 is an abundant number, since it is smaller than the sum of its proper divisors (82659463598).

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

73428456850 is a wasteful number, since it uses less digits than its factorization.

73428456850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209795610 (or 209795605 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 73428456850 in words is "seventy-three billion, four hundred twenty-eight million, four hundred fifty-six thousand, eight hundred fifty".