73778004740 has 48 divisors (see below), whose sum is σ = 169039471104. Its totient is φ = 26825068800.

The previous prime is 73778004733. The next prime is 73778004757. The reversal of 73778004740 is 4740087737.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440397 + ... + 2470443.

It is an arithmetic number, because the mean of its divisors is an integer number (3521655648).

Almost surely, 2^73778004740 is an apocalyptic number.

It is an amenable number.

73778004740 is an abundant number, since it is smaller than the sum of its proper divisors (95261466364).

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

73778004740 is a wasteful number, since it uses less digits than its factorization.

73778004740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41228 (or 41226 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 47.

The spelling of 73778004740 in words is "seventy-three billion, seven hundred seventy-eight million, four thousand, seven hundred forty".